156918517

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 197123328

約数和(自身を除く): 40204811

約数列:

[1, 7, 17, 37, 119, 157, 227, 259, 629, 1099, 1589, 2669, 3859, 4403, 5809, 8399, 18683, 27013, 35639, 40663, 58793, 98753, 142783, 249473, 605863, 691271, 999481, 1318643, 4241041, 9230501, 22416931, 156918517]

約数ペア:

[(1, 156918517), (7, 22416931), (17, 9230501), (37, 4241041), (119, 1318643), (157, 999481), (227, 691271), (259, 605863), (629, 249473), (1099, 142783), (1589, 98753), (2669, 58793), (3859, 40663), (4403, 35639), (5809, 27013), (8399, 18683)]