28475821528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{4373}}^1$

素因数の和:4470

約数の個数: 144

約数和(自身を含む): 69320376720

約数和(自身を除く): 40844555192

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 121, 124, 154, 217, 242, 248, 308, 341, 434, 484, 616, 682, 847, 868, 961, 968, 1364, 1694, 1736, 1922, 2387, 2728, 3388, 3751, 3844, 4373, 4774, 6727, 6776, 7502, 7688, 8746, 9548, 10571, 13454, 15004, 17492, 19096, 21142, 26257, 26908, 30008, 30611, 34984, 42284, 48103, 52514, 53816, 61222, 73997, 84568, 96206, 105028, 116281, 122444, 135563, 147994, 192412, 210056, 232562, 244888, 271126, 295988, 336721, 384824, 465124, 529133, 542252, 591976, 673442, 813967, 930248, 948941, 1058266, 1084504, 1346884, 1491193, 1627934, 1897882, 2116532, 2693768, 2982386, 3255868, 3703931, 3795764, 4202453, 4233064, 5964772, 6511736, 7407862, 7591528, 8404906, 10438351, 11929544, 14815724, 16403123, 16809812, 20876702, 29417171, 29631448, 32806246, 33619624, 41753404, 46226983, 58834342, 65612492, 83506808, 92453966, 114821861, 117668684, 131224984, 184907932, 229643722, 235337368, 323588881, 369815864, 459287444, 508496813, 647177762, 918574888, 1016993626, 1294355524, 2033987252, 2588711048, 3559477691, 4067974504, 7118955382, 14237910764, 28475821528]

約数ペア:

[(1, 28475821528), (2, 14237910764), (4, 7118955382), (7, 4067974504), (8, 3559477691), (11, 2588711048), (14, 2033987252), (22, 1294355524), (28, 1016993626), (31, 918574888), (44, 647177762), (56, 508496813), (62, 459287444), (77, 369815864), (88, 323588881), (121, 235337368), (124, 229643722), (154, 184907932), (217, 131224984), (242, 117668684), (248, 114821861), (308, 92453966), (341, 83506808), (434, 65612492), (484, 58834342), (616, 46226983), (682, 41753404), (847, 33619624), (868, 32806246), (961, 29631448), (968, 29417171), (1364, 20876702), (1694, 16809812), (1736, 16403123), (1922, 14815724), (2387, 11929544), (2728, 10438351), (3388, 8404906), (3751, 7591528), (3844, 7407862), (4373, 6511736), (4774, 5964772), (6727, 4233064), (6776, 4202453), (7502, 3795764), (7688, 3703931), (8746, 3255868), (9548, 2982386), (10571, 2693768), (13454, 2116532), (15004, 1897882), (17492, 1627934), (19096, 1491193), (21142, 1346884), (26257, 1084504), (26908, 1058266), (30008, 948941), (30611, 930248), (34984, 813967), (42284, 673442), (48103, 591976), (52514, 542252), (53816, 529133), (61222, 465124), (73997, 384824), (84568, 336721), (96206, 295988), (105028, 271126), (116281, 244888), (122444, 232562), (135563, 210056), (147994, 192412)]