636637984

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{983}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 1290921408

約数和(自身を除く): 654283424

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 148, 296, 547, 592, 983, 1094, 1184, 1966, 2188, 3932, 4376, 7864, 8752, 15728, 17504, 20239, 31456, 36371, 40478, 72742, 80956, 145484, 161912, 290968, 323824, 537701, 581936, 647648, 1075402, 1163872, 2150804, 4301608, 8603216, 17206432, 19894937, 39789874, 79579748, 159159496, 318318992, 636637984]

約数ペア:

[(1, 636637984), (2, 318318992), (4, 159159496), (8, 79579748), (16, 39789874), (32, 19894937), (37, 17206432), (74, 8603216), (148, 4301608), (296, 2150804), (547, 1163872), (592, 1075402), (983, 647648), (1094, 581936), (1184, 537701), (1966, 323824), (2188, 290968), (3932, 161912), (4376, 145484), (7864, 80956), (8752, 72742), (15728, 40478), (17504, 36371), (20239, 31456)]