681206405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{619}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 961813440

約数和(自身を除く): 280607035

約数列:

[1, 5, 11, 17, 55, 85, 107, 121, 187, 535, 605, 619, 935, 1177, 1819, 2057, 3095, 5885, 6809, 9095, 10285, 10523, 12947, 20009, 34045, 52615, 64735, 66233, 74899, 100045, 115753, 220099, 331165, 374495, 578765, 728563, 1100495, 1125961, 1273283, 3642815, 5629805, 6366415, 8014193, 12385571, 40070965, 61927855, 136241281, 681206405]

約数ペア:

[(1, 681206405), (5, 136241281), (11, 61927855), (17, 40070965), (55, 12385571), (85, 8014193), (107, 6366415), (121, 5629805), (187, 3642815), (535, 1273283), (605, 1125961), (619, 1100495), (935, 728563), (1177, 578765), (1819, 374495), (2057, 331165), (3095, 220099), (5885, 115753), (6809, 100045), (9095, 74899), (10285, 66233), (10523, 64735), (12947, 52615), (20009, 34045)]