664875848

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1807

約数の個数: 128

約数和(自身を含む): 1677957120

約数和(自身を除く): 1013081272

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 31, 34, 52, 56, 62, 68, 91, 104, 119, 124, 136, 182, 217, 221, 238, 248, 364, 403, 434, 442, 476, 527, 728, 806, 868, 884, 952, 1054, 1547, 1612, 1733, 1736, 1768, 2108, 2821, 3094, 3224, 3466, 3689, 4216, 5642, 6188, 6851, 6932, 7378, 11284, 12131, 12376, 13702, 13864, 14756, 22529, 22568, 24262, 27404, 29461, 29512, 45058, 47957, 48524, 53723, 54808, 58922, 90116, 95914, 97048, 107446, 117844, 157703, 180232, 191828, 206227, 214892, 235688, 315406, 376061, 382993, 383656, 412454, 429784, 630812, 698399, 752122, 765986, 824908, 913291, 1261624, 1396798, 1504244, 1531972, 1649816, 1826582, 2680951, 2793596, 3008488, 3063944, 3653164, 4888793, 5361902, 5587192, 6393037, 7306328, 9777586, 10723804, 11872783, 12786074, 19555172, 21447608, 23745566, 25572148, 39110344, 47491132, 51144296, 83109481, 94982264, 166218962, 332437924, 664875848]

約数ペア:

[(1, 664875848), (2, 332437924), (4, 166218962), (7, 94982264), (8, 83109481), (13, 51144296), (14, 47491132), (17, 39110344), (26, 25572148), (28, 23745566), (31, 21447608), (34, 19555172), (52, 12786074), (56, 11872783), (62, 10723804), (68, 9777586), (91, 7306328), (104, 6393037), (119, 5587192), (124, 5361902), (136, 4888793), (182, 3653164), (217, 3063944), (221, 3008488), (238, 2793596), (248, 2680951), (364, 1826582), (403, 1649816), (434, 1531972), (442, 1504244), (476, 1396798), (527, 1261624), (728, 913291), (806, 824908), (868, 765986), (884, 752122), (952, 698399), (1054, 630812), (1547, 429784), (1612, 412454), (1733, 383656), (1736, 382993), (1768, 376061), (2108, 315406), (2821, 235688), (3094, 214892), (3224, 206227), (3466, 191828), (3689, 180232), (4216, 157703), (5642, 117844), (6188, 107446), (6851, 97048), (6932, 95914), (7378, 90116), (11284, 58922), (12131, 54808), (12376, 53723), (13702, 48524), (13864, 47957), (14756, 45058), (22529, 29512), (22568, 29461), (24262, 27404)]