1222390015

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26681}}^1$

素因数の和:26728

約数の個数: 48

約数和(自身を含む): 1971052704

約数和(自身を除く): 748662689

約数列:

[1, 5, 7, 11, 17, 35, 49, 55, 77, 85, 119, 187, 245, 385, 539, 595, 833, 935, 1309, 2695, 4165, 6545, 9163, 26681, 45815, 133405, 186767, 293491, 453577, 933835, 1307369, 1467455, 2054437, 2267885, 3175039, 4989347, 6536845, 10272185, 14381059, 15875195, 22225273, 24946735, 34925429, 71905295, 111126365, 174627145, 244478003, 1222390015]

約数ペア:

[(1, 1222390015), (5, 244478003), (7, 174627145), (11, 111126365), (17, 71905295), (35, 34925429), (49, 24946735), (55, 22225273), (77, 15875195), (85, 14381059), (119, 10272185), (187, 6536845), (245, 4989347), (385, 3175039), (539, 2267885), (595, 2054437), (833, 1467455), (935, 1307369), (1309, 933835), (2695, 453577), (4165, 293491), (6545, 186767), (9163, 133405), (26681, 45815)]