139615252

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{70229}}^1$

素因数の和:70311

約数の個数: 24

約数和(自身を含む): 283167360

約数和(自身を除く): 143552108

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 70229, 140458, 280916, 491603, 983206, 1966412, 4986259, 9972518, 19945036, 34903813, 69807626, 139615252]

約数ペア:

[(1, 139615252), (2, 69807626), (4, 34903813), (7, 19945036), (14, 9972518), (28, 4986259), (71, 1966412), (142, 983206), (284, 491603), (497, 280916), (994, 140458), (1988, 70229)]