251594388

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1493}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 661280256

約数和(自身を除く): 409685868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 151, 186, 279, 302, 372, 453, 558, 604, 906, 1116, 1359, 1493, 1812, 2718, 2986, 4479, 4681, 5436, 5972, 8958, 9362, 13437, 14043, 17916, 18724, 26874, 28086, 42129, 46283, 53748, 56172, 84258, 92566, 138849, 168516, 185132, 225443, 277698, 416547, 450886, 555396, 676329, 833094, 901772, 1352658, 1666188, 2028987, 2705316, 4057974, 6988733, 8115948, 13977466, 20966199, 27954932, 41932398, 62898597, 83864796, 125797194, 251594388]

約数ペア:

[(1, 251594388), (2, 125797194), (3, 83864796), (4, 62898597), (6, 41932398), (9, 27954932), (12, 20966199), (18, 13977466), (31, 8115948), (36, 6988733), (62, 4057974), (93, 2705316), (124, 2028987), (151, 1666188), (186, 1352658), (279, 901772), (302, 833094), (372, 676329), (453, 555396), (558, 450886), (604, 416547), (906, 277698), (1116, 225443), (1359, 185132), (1493, 168516), (1812, 138849), (2718, 92566), (2986, 84258), (4479, 56172), (4681, 53748), (5436, 46283), (5972, 42129), (8958, 28086), (9362, 26874), (13437, 18724), (14043, 17916)]