311083408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{18749}}^1$

素因数の和:18835

約数の個数: 40

約数和(自身を含む): 648675000

約数和(自身を除く): 337591592

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 4148, 8296, 16592, 18749, 37498, 74996, 149992, 299984, 318733, 637466, 1143689, 1274932, 2287378, 2549864, 4574756, 5099728, 9149512, 18299024, 19442713, 38885426, 77770852, 155541704, 311083408]

約数ペア:

[(1, 311083408), (2, 155541704), (4, 77770852), (8, 38885426), (16, 19442713), (17, 18299024), (34, 9149512), (61, 5099728), (68, 4574756), (122, 2549864), (136, 2287378), (244, 1274932), (272, 1143689), (488, 637466), (976, 318733), (1037, 299984), (2074, 149992), (4148, 74996), (8296, 37498), (16592, 18749)]