639644502

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:885

約数の個数: 64

約数和(自身を含む): 1483660800

約数和(自身を除く): 844016298

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 317, 321, 449, 634, 642, 749, 898, 951, 1347, 1498, 1902, 2219, 2247, 2694, 3143, 4438, 4494, 6286, 6657, 9429, 13314, 18858, 33919, 48043, 67838, 96086, 101757, 142333, 144129, 203514, 237433, 284666, 288258, 336301, 426999, 474866, 672602, 712299, 853998, 996331, 1008903, 1424598, 1992662, 2017806, 2988993, 5977986, 15229631, 30459262, 45688893, 91377786, 106607417, 213214834, 319822251, 639644502]

約数ペア:

[(1, 639644502), (2, 319822251), (3, 213214834), (6, 106607417), (7, 91377786), (14, 45688893), (21, 30459262), (42, 15229631), (107, 5977986), (214, 2988993), (317, 2017806), (321, 1992662), (449, 1424598), (634, 1008903), (642, 996331), (749, 853998), (898, 712299), (951, 672602), (1347, 474866), (1498, 426999), (1902, 336301), (2219, 288258), (2247, 284666), (2694, 237433), (3143, 203514), (4438, 144129), (4494, 142333), (6286, 101757), (6657, 96086), (9429, 67838), (13314, 48043), (18858, 33919)]