478887994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 844736256

約数和(自身を除く): 365848262

約数列:

[1, 2, 13, 17, 26, 34, 67, 103, 134, 157, 206, 221, 314, 442, 871, 1139, 1339, 1742, 1751, 2041, 2278, 2669, 2678, 3502, 4082, 5338, 6901, 10519, 13802, 14807, 16171, 21038, 22763, 29614, 32342, 34697, 45526, 69394, 89713, 117317, 136747, 178823, 179426, 210223, 234634, 273494, 274907, 357646, 420446, 549814, 1083457, 1525121, 2166914, 2324699, 3050242, 3573791, 4649398, 7147582, 14084941, 18418769, 28169882, 36837538, 239443997, 478887994]

約数ペア:

[(1, 478887994), (2, 239443997), (13, 36837538), (17, 28169882), (26, 18418769), (34, 14084941), (67, 7147582), (103, 4649398), (134, 3573791), (157, 3050242), (206, 2324699), (221, 2166914), (314, 1525121), (442, 1083457), (871, 549814), (1139, 420446), (1339, 357646), (1742, 274907), (1751, 273494), (2041, 234634), (2278, 210223), (2669, 179426), (2678, 178823), (3502, 136747), (4082, 117317), (5338, 89713), (6901, 69394), (10519, 45526), (13802, 34697), (14807, 32342), (16171, 29614), (21038, 22763)]