400937996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{21757}}^1$

素因数の和:22049

約数の個数: 24

約数和(自身を含む): 745690176

約数和(自身を除く): 344752180

約数列:

[1, 2, 4, 17, 34, 68, 271, 542, 1084, 4607, 9214, 18428, 21757, 43514, 87028, 369869, 739738, 1479476, 5896147, 11792294, 23584588, 100234499, 200468998, 400937996]

約数ペア:

[(1, 400937996), (2, 200468998), (4, 100234499), (17, 23584588), (34, 11792294), (68, 5896147), (271, 1479476), (542, 739738), (1084, 369869), (4607, 87028), (9214, 43514), (18428, 21757)]