31365328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 62886600

約数和(自身を除く): 31521272

約数列:

[1, 2, 4, 8, 16, 41, 82, 137, 164, 274, 328, 349, 548, 656, 698, 1096, 1396, 2192, 2792, 5584, 5617, 11234, 14309, 22468, 28618, 44936, 47813, 57236, 89872, 95626, 114472, 191252, 228944, 382504, 765008, 1960333, 3920666, 7841332, 15682664, 31365328]

約数ペア:

[(1, 31365328), (2, 15682664), (4, 7841332), (8, 3920666), (16, 1960333), (41, 765008), (82, 382504), (137, 228944), (164, 191252), (274, 114472), (328, 95626), (349, 89872), (548, 57236), (656, 47813), (698, 44936), (1096, 28618), (1396, 22468), (2192, 14309), (2792, 11234), (5584, 5617)]