208170872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{285949}}^1$

素因数の和:285975

約数の個数: 32

約数和(自身を含む): 480396000

約数和(自身を除く): 272225128

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 285949, 571898, 1143796, 2001643, 2287592, 3717337, 4003286, 7434674, 8006572, 14869348, 16013144, 26021359, 29738696, 52042718, 104085436, 208170872]

約数ペア:

[(1, 208170872), (2, 104085436), (4, 52042718), (7, 29738696), (8, 26021359), (13, 16013144), (14, 14869348), (26, 8006572), (28, 7434674), (52, 4003286), (56, 3717337), (91, 2287592), (104, 2001643), (182, 1143796), (364, 571898), (728, 285949)]