90915188

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1213

約数の個数: 72

約数和(自身を含む): 205922304

約数和(自身を除く): 115007116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 637, 806, 868, 1151, 1274, 1519, 1612, 2302, 2548, 2821, 3038, 4604, 5642, 6076, 8057, 11284, 14963, 16114, 19747, 29926, 32228, 35681, 39494, 56399, 59852, 71362, 78988, 104741, 112798, 142724, 209482, 225596, 249767, 418964, 463853, 499534, 733187, 927706, 999068, 1466374, 1748369, 1855412, 2932748, 3246971, 3496738, 6493942, 6993476, 12987884, 22728797, 45457594, 90915188]

約数ペア:

[(1, 90915188), (2, 45457594), (4, 22728797), (7, 12987884), (13, 6993476), (14, 6493942), (26, 3496738), (28, 3246971), (31, 2932748), (49, 1855412), (52, 1748369), (62, 1466374), (91, 999068), (98, 927706), (124, 733187), (182, 499534), (196, 463853), (217, 418964), (364, 249767), (403, 225596), (434, 209482), (637, 142724), (806, 112798), (868, 104741), (1151, 78988), (1274, 71362), (1519, 59852), (1612, 56399), (2302, 39494), (2548, 35681), (2821, 32228), (3038, 29926), (4604, 19747), (5642, 16114), (6076, 14963), (8057, 11284)]