661139514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127979}}^1$

素因数の和:128035

約数の個数: 48

約数和(自身を含む): 1677049920

約数和(自身を除く): 1015910406

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 5166, 127979, 255958, 383937, 767874, 895853, 1151811, 1791706, 2303622, 2687559, 5247139, 5375118, 8062677, 10494278, 15741417, 16125354, 31482834, 36729973, 47224251, 73459946, 94448502, 110189919, 220379838, 330569757, 661139514]

約数ペア:

[(1, 661139514), (2, 330569757), (3, 220379838), (6, 110189919), (7, 94448502), (9, 73459946), (14, 47224251), (18, 36729973), (21, 31482834), (41, 16125354), (42, 15741417), (63, 10494278), (82, 8062677), (123, 5375118), (126, 5247139), (246, 2687559), (287, 2303622), (369, 1791706), (574, 1151811), (738, 895853), (861, 767874), (1722, 383937), (2583, 255958), (5166, 127979)]