28161144

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:122

約数の個数: 144

約数和(自身を含む): 88297560

約数和(自身を除く): 60136416

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 31, 33, 36, 37, 44, 62, 66, 72, 74, 88, 93, 99, 111, 124, 132, 148, 186, 198, 222, 248, 264, 279, 296, 333, 341, 372, 396, 407, 444, 558, 666, 682, 744, 792, 814, 888, 961, 1023, 1116, 1147, 1221, 1332, 1364, 1628, 1922, 2046, 2232, 2294, 2442, 2664, 2728, 2883, 3069, 3256, 3441, 3663, 3844, 4092, 4588, 4884, 5766, 6138, 6882, 7326, 7688, 8184, 8649, 9176, 9768, 10323, 10571, 11532, 12276, 12617, 13764, 14652, 17298, 20646, 21142, 23064, 24552, 25234, 27528, 29304, 31713, 34596, 35557, 37851, 41292, 42284, 50468, 63426, 69192, 71114, 75702, 82584, 84568, 95139, 100936, 106671, 113553, 126852, 142228, 151404, 190278, 213342, 227106, 253704, 284456, 302808, 320013, 380556, 391127, 426684, 454212, 640026, 761112, 782254, 853368, 908424, 1173381, 1280052, 1564508, 2346762, 2560104, 3129016, 3520143, 4693524, 7040286, 9387048, 14080572, 28161144]

約数ペア:

[(1, 28161144), (2, 14080572), (3, 9387048), (4, 7040286), (6, 4693524), (8, 3520143), (9, 3129016), (11, 2560104), (12, 2346762), (18, 1564508), (22, 1280052), (24, 1173381), (31, 908424), (33, 853368), (36, 782254), (37, 761112), (44, 640026), (62, 454212), (66, 426684), (72, 391127), (74, 380556), (88, 320013), (93, 302808), (99, 284456), (111, 253704), (124, 227106), (132, 213342), (148, 190278), (186, 151404), (198, 142228), (222, 126852), (248, 113553), (264, 106671), (279, 100936), (296, 95139), (333, 84568), (341, 82584), (372, 75702), (396, 71114), (407, 69192), (444, 63426), (558, 50468), (666, 42284), (682, 41292), (744, 37851), (792, 35557), (814, 34596), (888, 31713), (961, 29304), (1023, 27528), (1116, 25234), (1147, 24552), (1221, 23064), (1332, 21142), (1364, 20646), (1628, 17298), (1922, 14652), (2046, 13764), (2232, 12617), (2294, 12276), (2442, 11532), (2664, 10571), (2728, 10323), (2883, 9768), (3069, 9176), (3256, 8649), (3441, 8184), (3663, 7688), (3844, 7326), (4092, 6882), (4588, 6138), (4884, 5766)]