1290394998

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{877}}^1\times {\mathrm{1901}}^1$

素因数の和:2829

約数の個数: 48

約数和(自身を含む): 2865644496

約数和(自身を除く): 1575249498

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 877, 1754, 1901, 2631, 3802, 5262, 5703, 7893, 11406, 15786, 17109, 34218, 37711, 75422, 81743, 113133, 163486, 226266, 245229, 339399, 490458, 678798, 735687, 1471374, 1667177, 3334354, 5001531, 10003062, 15004593, 30009186, 71688611, 143377222, 215065833, 430131666, 645197499, 1290394998]

約数ペア:

[(1, 1290394998), (2, 645197499), (3, 430131666), (6, 215065833), (9, 143377222), (18, 71688611), (43, 30009186), (86, 15004593), (129, 10003062), (258, 5001531), (387, 3334354), (774, 1667177), (877, 1471374), (1754, 735687), (1901, 678798), (2631, 490458), (3802, 339399), (5262, 245229), (5703, 226266), (7893, 163486), (11406, 113133), (15786, 81743), (17109, 75422), (34218, 37711)]