71988568

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{3457}}^1$

素因数の和:3619

約数の個数: 32

約数和(自身を含む): 143161200

約数和(自身を除く): 71172632

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 1096, 2603, 3457, 5206, 6914, 10412, 13828, 20824, 27656, 65683, 131366, 262732, 473609, 525464, 947218, 1894436, 3788872, 8998571, 17997142, 35994284, 71988568]

約数ペア:

[(1, 71988568), (2, 35994284), (4, 17997142), (8, 8998571), (19, 3788872), (38, 1894436), (76, 947218), (137, 525464), (152, 473609), (274, 262732), (548, 131366), (1096, 65683), (2603, 27656), (3457, 20824), (5206, 13828), (6914, 10412)]