81297788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{29}}^2$

素因数の和:112

約数の個数: 72

約数和(自身を含む): 174130320

約数和(自身を除く): 92832532

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 169, 286, 319, 338, 377, 572, 638, 676, 754, 841, 1276, 1508, 1682, 1859, 2197, 3364, 3718, 4147, 4394, 4901, 7436, 8294, 8788, 9251, 9802, 10933, 16588, 18502, 19604, 21866, 24167, 37004, 43732, 48334, 53911, 63713, 96668, 107822, 120263, 127426, 142129, 215644, 240526, 254852, 284258, 481052, 568516, 700843, 1401686, 1563419, 1847677, 2803372, 3126838, 3695354, 6253676, 7390708, 20324447, 40648894, 81297788]

約数ペア:

[(1, 81297788), (2, 40648894), (4, 20324447), (11, 7390708), (13, 6253676), (22, 3695354), (26, 3126838), (29, 2803372), (44, 1847677), (52, 1563419), (58, 1401686), (116, 700843), (143, 568516), (169, 481052), (286, 284258), (319, 254852), (338, 240526), (377, 215644), (572, 142129), (638, 127426), (676, 120263), (754, 107822), (841, 96668), (1276, 63713), (1508, 53911), (1682, 48334), (1859, 43732), (2197, 37004), (3364, 24167), (3718, 21866), (4147, 19604), (4394, 18502), (4901, 16588), (7436, 10933), (8294, 9802), (8788, 9251)]