491477896

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{977}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 1136983680

約数和(自身を除く): 645505784

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 691, 728, 977, 1382, 1954, 2764, 3908, 4837, 5528, 6839, 7816, 8983, 9674, 12701, 13678, 17966, 19348, 25402, 27356, 35932, 38696, 50804, 54712, 62881, 71864, 88907, 101608, 125762, 177814, 251524, 355628, 503048, 675107, 711256, 1350214, 2700428, 4725749, 5400856, 8776391, 9451498, 17552782, 18902996, 35105564, 37805992, 61434737, 70211128, 122869474, 245738948, 491477896]

約数ペア:

[(1, 491477896), (2, 245738948), (4, 122869474), (7, 70211128), (8, 61434737), (13, 37805992), (14, 35105564), (26, 18902996), (28, 17552782), (52, 9451498), (56, 8776391), (91, 5400856), (104, 4725749), (182, 2700428), (364, 1350214), (691, 711256), (728, 675107), (977, 503048), (1382, 355628), (1954, 251524), (2764, 177814), (3908, 125762), (4837, 101608), (5528, 88907), (6839, 71864), (7816, 62881), (8983, 54712), (9674, 50804), (12701, 38696), (13678, 35932), (17966, 27356), (19348, 25402)]