40518709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{167}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 53415936

約数和(自身を除く): 12897227

約数列:

[1, 7, 11, 23, 77, 137, 161, 167, 253, 959, 1169, 1507, 1771, 1837, 3151, 3841, 10549, 12859, 22057, 22879, 26887, 34661, 42251, 160153, 242627, 251669, 295757, 526217, 1761683, 3683519, 5788387, 40518709]

約数ペア:

[(1, 40518709), (7, 5788387), (11, 3683519), (23, 1761683), (77, 526217), (137, 295757), (161, 251669), (167, 242627), (253, 160153), (959, 42251), (1169, 34661), (1507, 26887), (1771, 22879), (1837, 22057), (3151, 12859), (3841, 10549)]