646367036

素因数分解:

$2^2\times 7^3\times {\mathrm{193}}^1\times {\mathrm{2441}}^1$

素因数の和:2659

約数の個数: 48

約数和(自身を含む): 1326494400

約数和(自身を除く): 680127364

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 343, 386, 686, 772, 1351, 1372, 2441, 2702, 4882, 5404, 9457, 9764, 17087, 18914, 34174, 37828, 66199, 68348, 119609, 132398, 239218, 264796, 471113, 478436, 837263, 942226, 1674526, 1884452, 3297791, 3349052, 6595582, 13191164, 23084537, 46169074, 92338148, 161591759, 323183518, 646367036]

約数ペア:

[(1, 646367036), (2, 323183518), (4, 161591759), (7, 92338148), (14, 46169074), (28, 23084537), (49, 13191164), (98, 6595582), (193, 3349052), (196, 3297791), (343, 1884452), (386, 1674526), (686, 942226), (772, 837263), (1351, 478436), (1372, 471113), (2441, 264796), (2702, 239218), (4882, 132398), (5404, 119609), (9457, 68348), (9764, 66199), (17087, 37828), (18914, 34174)]