28890792

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 96033600

約数和(自身を除く): 67142808

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 114, 126, 133, 147, 152, 168, 171, 196, 228, 252, 266, 294, 342, 392, 399, 431, 441, 456, 504, 532, 588, 684, 798, 862, 882, 931, 1064, 1176, 1197, 1293, 1368, 1596, 1724, 1764, 1862, 2394, 2586, 2793, 3017, 3192, 3448, 3528, 3724, 3879, 4788, 5172, 5586, 6034, 7448, 7758, 8189, 8379, 9051, 9576, 10344, 11172, 12068, 15516, 16378, 16758, 18102, 21119, 22344, 24136, 24567, 27153, 31032, 32756, 33516, 36204, 42238, 49134, 54306, 57323, 63357, 65512, 67032, 72408, 73701, 84476, 98268, 108612, 114646, 126714, 147402, 168952, 171969, 190071, 196536, 217224, 229292, 253428, 294804, 343938, 380142, 401261, 458584, 506856, 515907, 589608, 687876, 760284, 802522, 1031814, 1203783, 1375752, 1520568, 1605044, 2063628, 2407566, 3210088, 3611349, 4127256, 4815132, 7222698, 9630264, 14445396, 28890792]

約数ペア:

[(1, 28890792), (2, 14445396), (3, 9630264), (4, 7222698), (6, 4815132), (7, 4127256), (8, 3611349), (9, 3210088), (12, 2407566), (14, 2063628), (18, 1605044), (19, 1520568), (21, 1375752), (24, 1203783), (28, 1031814), (36, 802522), (38, 760284), (42, 687876), (49, 589608), (56, 515907), (57, 506856), (63, 458584), (72, 401261), (76, 380142), (84, 343938), (98, 294804), (114, 253428), (126, 229292), (133, 217224), (147, 196536), (152, 190071), (168, 171969), (171, 168952), (196, 147402), (228, 126714), (252, 114646), (266, 108612), (294, 98268), (342, 84476), (392, 73701), (399, 72408), (431, 67032), (441, 65512), (456, 63357), (504, 57323), (532, 54306), (588, 49134), (684, 42238), (798, 36204), (862, 33516), (882, 32756), (931, 31032), (1064, 27153), (1176, 24567), (1197, 24136), (1293, 22344), (1368, 21119), (1596, 18102), (1724, 16758), (1764, 16378), (1862, 15516), (2394, 12068), (2586, 11172), (2793, 10344), (3017, 9576), (3192, 9051), (3448, 8379), (3528, 8189), (3724, 7758), (3879, 7448), (4788, 6034), (5172, 5586)]