201621872

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 397589136

約数和(自身を除く): 195967264

約数列:

[1, 2, 4, 8, 16, 97, 163, 194, 326, 388, 652, 776, 797, 1304, 1552, 1594, 2608, 3188, 6376, 12752, 15811, 31622, 63244, 77309, 126488, 129911, 154618, 252976, 259822, 309236, 519644, 618472, 1039288, 1236944, 2078576, 12601367, 25202734, 50405468, 100810936, 201621872]

約数ペア:

[(1, 201621872), (2, 100810936), (4, 50405468), (8, 25202734), (16, 12601367), (97, 2078576), (163, 1236944), (194, 1039288), (326, 618472), (388, 519644), (652, 309236), (776, 259822), (797, 252976), (1304, 154618), (1552, 129911), (1594, 126488), (2608, 77309), (3188, 63244), (6376, 31622), (12752, 15811)]