204831445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^3\times {\mathrm{37}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 324817920

約数和(自身を除く): 119986475

約数列:

[1, 5, 7, 13, 23, 35, 37, 65, 91, 115, 161, 185, 259, 299, 455, 481, 529, 805, 851, 1295, 1495, 2093, 2405, 2645, 3367, 3703, 4255, 5957, 6877, 10465, 11063, 12167, 16835, 18515, 19573, 29785, 34385, 48139, 55315, 60835, 77441, 85169, 97865, 137011, 158171, 240695, 254449, 387205, 425845, 450179, 685055, 790855, 1107197, 1272245, 1781143, 2250895, 3151253, 5535985, 5852327, 8905715, 15756265, 29261635, 40966289, 204831445]

約数ペア:

[(1, 204831445), (5, 40966289), (7, 29261635), (13, 15756265), (23, 8905715), (35, 5852327), (37, 5535985), (65, 3151253), (91, 2250895), (115, 1781143), (161, 1272245), (185, 1107197), (259, 790855), (299, 685055), (455, 450179), (481, 425845), (529, 387205), (805, 254449), (851, 240695), (1295, 158171), (1495, 137011), (2093, 97865), (2405, 85169), (2645, 77441), (3367, 60835), (3703, 55315), (4255, 48139), (5957, 34385), (6877, 29785), (10465, 19573), (11063, 18515), (12167, 16835)]