251528438

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 437184000

約数和(自身を除く): 185655562

約数列:

[1, 2, 7, 14, 137, 199, 274, 398, 659, 959, 1318, 1393, 1918, 2786, 4613, 9226, 27263, 54526, 90283, 131141, 180566, 190841, 262282, 381682, 631981, 917987, 1263962, 1835974, 17966317, 35932634, 125764219, 251528438]

約数ペア:

[(1, 251528438), (2, 125764219), (7, 35932634), (14, 17966317), (137, 1835974), (199, 1263962), (274, 917987), (398, 631981), (659, 381682), (959, 262282), (1318, 190841), (1393, 180566), (1918, 131141), (2786, 90283), (4613, 54526), (9226, 27263)]