491025808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{1151}}^1$

素因数の和:1472

約数の個数: 80

約数和(自身を含む): 1175924736

約数和(自身を除く): 684898928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 293, 364, 586, 728, 1151, 1172, 1456, 2051, 2302, 2344, 3809, 4102, 4604, 4688, 7618, 8057, 8204, 9208, 14963, 15236, 16114, 16408, 18416, 26663, 29926, 30472, 32228, 32816, 53326, 59852, 60944, 64456, 104741, 106652, 119704, 128912, 209482, 213304, 239408, 337243, 418964, 426608, 674486, 837928, 1348972, 1675856, 2360701, 2697944, 4384159, 4721402, 5395888, 8768318, 9442804, 17536636, 18885608, 30689113, 35073272, 37771216, 61378226, 70146544, 122756452, 245512904, 491025808]

約数ペア:

[(1, 491025808), (2, 245512904), (4, 122756452), (7, 70146544), (8, 61378226), (13, 37771216), (14, 35073272), (16, 30689113), (26, 18885608), (28, 17536636), (52, 9442804), (56, 8768318), (91, 5395888), (104, 4721402), (112, 4384159), (182, 2697944), (208, 2360701), (293, 1675856), (364, 1348972), (586, 837928), (728, 674486), (1151, 426608), (1172, 418964), (1456, 337243), (2051, 239408), (2302, 213304), (2344, 209482), (3809, 128912), (4102, 119704), (4604, 106652), (4688, 104741), (7618, 64456), (8057, 60944), (8204, 59852), (9208, 53326), (14963, 32816), (15236, 32228), (16114, 30472), (16408, 29926), (18416, 26663)]