189871528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 468541440

約数和(自身を除く): 278669912

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 61, 62, 77, 88, 122, 124, 154, 163, 217, 244, 248, 308, 326, 341, 427, 434, 488, 616, 652, 671, 682, 854, 868, 1141, 1304, 1342, 1364, 1708, 1736, 1793, 1891, 2282, 2387, 2684, 2728, 3416, 3586, 3782, 4564, 4697, 4774, 5053, 5368, 7172, 7564, 9128, 9394, 9548, 9943, 10106, 12551, 13237, 14344, 15128, 18788, 19096, 19886, 20212, 20801, 25102, 26474, 35371, 37576, 39772, 40424, 41602, 50204, 52948, 55583, 69601, 70742, 79544, 83204, 100408, 105896, 109373, 111166, 139202, 141484, 145607, 166408, 218746, 222332, 278404, 282968, 291214, 308233, 389081, 437492, 444664, 556808, 582428, 616466, 765611, 778162, 874984, 1164856, 1232932, 1531222, 1556324, 2157631, 2465864, 3062444, 3112648, 3390563, 4315262, 6124888, 6781126, 8630524, 13562252, 17261048, 23733941, 27124504, 47467882, 94935764, 189871528]

約数ペア:

[(1, 189871528), (2, 94935764), (4, 47467882), (7, 27124504), (8, 23733941), (11, 17261048), (14, 13562252), (22, 8630524), (28, 6781126), (31, 6124888), (44, 4315262), (56, 3390563), (61, 3112648), (62, 3062444), (77, 2465864), (88, 2157631), (122, 1556324), (124, 1531222), (154, 1232932), (163, 1164856), (217, 874984), (244, 778162), (248, 765611), (308, 616466), (326, 582428), (341, 556808), (427, 444664), (434, 437492), (488, 389081), (616, 308233), (652, 291214), (671, 282968), (682, 278404), (854, 222332), (868, 218746), (1141, 166408), (1304, 145607), (1342, 141484), (1364, 139202), (1708, 111166), (1736, 109373), (1793, 105896), (1891, 100408), (2282, 83204), (2387, 79544), (2684, 70742), (2728, 69601), (3416, 55583), (3586, 52948), (3782, 50204), (4564, 41602), (4697, 40424), (4774, 39772), (5053, 37576), (5368, 35371), (7172, 26474), (7564, 25102), (9128, 20801), (9394, 20212), (9548, 19886), (9943, 19096), (10106, 18788), (12551, 15128), (13237, 14344)]