131579028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{27481}}^1$

素因数の和:27517

約数の個数: 72

約数和(自身を含む): 400137920

約数和(自身を除く): 268558892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 27481, 54962, 82443, 109924, 164886, 192367, 247329, 329772, 384734, 494658, 522139, 577101, 769468, 989316, 1044278, 1154202, 1566417, 1731303, 2088556, 2308404, 3132834, 3462606, 3654973, 4699251, 6265668, 6925212, 7309946, 9398502, 10964919, 14619892, 18797004, 21929838, 32894757, 43859676, 65789514, 131579028]

約数ペア:

[(1, 131579028), (2, 65789514), (3, 43859676), (4, 32894757), (6, 21929838), (7, 18797004), (9, 14619892), (12, 10964919), (14, 9398502), (18, 7309946), (19, 6925212), (21, 6265668), (28, 4699251), (36, 3654973), (38, 3462606), (42, 3132834), (57, 2308404), (63, 2088556), (76, 1731303), (84, 1566417), (114, 1154202), (126, 1044278), (133, 989316), (171, 769468), (228, 577101), (252, 522139), (266, 494658), (342, 384734), (399, 329772), (532, 247329), (684, 192367), (798, 164886), (1197, 109924), (1596, 82443), (2394, 54962), (4788, 27481)]