81905216

素因数分解:

$2^6\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:379

約数の個数: 56

約数和(自身を含む): 167640000

約数和(自身を除く): 85734784

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 109, 118, 199, 218, 236, 398, 436, 472, 796, 872, 944, 1592, 1744, 1888, 3184, 3488, 3776, 6368, 6431, 6976, 11741, 12736, 12862, 21691, 23482, 25724, 43382, 46964, 51448, 86764, 93928, 102896, 173528, 187856, 205792, 347056, 375712, 411584, 694112, 751424, 1279769, 1388224, 2559538, 5119076, 10238152, 20476304, 40952608, 81905216]

約数ペア:

[(1, 81905216), (2, 40952608), (4, 20476304), (8, 10238152), (16, 5119076), (32, 2559538), (59, 1388224), (64, 1279769), (109, 751424), (118, 694112), (199, 411584), (218, 375712), (236, 347056), (398, 205792), (436, 187856), (472, 173528), (796, 102896), (872, 93928), (944, 86764), (1592, 51448), (1744, 46964), (1888, 43382), (3184, 25724), (3488, 23482), (3776, 21691), (6368, 12862), (6431, 12736), (6976, 11741)]