90431968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 195350400

約数和(自身を除く): 104918432

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 199, 352, 398, 796, 1291, 1592, 2189, 2582, 3184, 4378, 5164, 6368, 8756, 10328, 14201, 17512, 20656, 28402, 35024, 41312, 56804, 70048, 113608, 227216, 256909, 454432, 513818, 1027636, 2055272, 2825999, 4110544, 5651998, 8221088, 11303996, 22607992, 45215984, 90431968]

約数ペア:

[(1, 90431968), (2, 45215984), (4, 22607992), (8, 11303996), (11, 8221088), (16, 5651998), (22, 4110544), (32, 2825999), (44, 2055272), (88, 1027636), (176, 513818), (199, 454432), (352, 256909), (398, 227216), (796, 113608), (1291, 70048), (1592, 56804), (2189, 41312), (2582, 35024), (3184, 28402), (4378, 20656), (5164, 17512), (6368, 14201), (8756, 10328)]