628657510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1493}}^1$

素因数の和:1633

約数の個数: 64

約数和(自身を含む): 1264999680

約数和(自身を除く): 636342170

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 79, 82, 130, 158, 205, 395, 410, 533, 790, 1027, 1066, 1493, 2054, 2665, 2986, 3239, 5135, 5330, 6478, 7465, 10270, 14930, 16195, 19409, 32390, 38818, 42107, 61213, 84214, 97045, 117947, 122426, 194090, 210535, 235894, 306065, 421070, 589735, 612130, 795769, 1179470, 1533311, 1591538, 3066622, 3978845, 4835827, 7666555, 7957690, 9671654, 15333110, 24179135, 48358270, 62865751, 125731502, 314328755, 628657510]

約数ペア:

[(1, 628657510), (2, 314328755), (5, 125731502), (10, 62865751), (13, 48358270), (26, 24179135), (41, 15333110), (65, 9671654), (79, 7957690), (82, 7666555), (130, 4835827), (158, 3978845), (205, 3066622), (395, 1591538), (410, 1533311), (533, 1179470), (790, 795769), (1027, 612130), (1066, 589735), (1493, 421070), (2054, 306065), (2665, 235894), (2986, 210535), (3239, 194090), (5135, 122426), (5330, 117947), (6478, 97045), (7465, 84214), (10270, 61213), (14930, 42107), (16195, 38818), (19409, 32390)]