8905715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 14121408

約数和(自身を除く): 5215693

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, 16835, 18515, 19573, 29785, 34385, 48139, 55315, 77441, 97865, 137011, 240695, 254449, 387205, 685055, 1272245, 1781143, 8905715]

約数ペア:

[(1, 8905715), (5, 1781143), (7, 1272245), (13, 685055), (23, 387205), (35, 254449), (37, 240695), (65, 137011), (91, 97865), (115, 77441), (161, 55315), (185, 48139), (259, 34385), (299, 29785), (455, 19573), (481, 18515), (529, 16835), (805, 11063), (851, 10465), (1295, 6877), (1495, 5957), (2093, 4255), (2405, 3703), (2645, 3367)]