31398718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:436

約数の個数: 32

約数和(自身を含む): 52706304

約数和(自身を除く): 21307586

約数列:

[1, 2, 13, 26, 37, 74, 127, 254, 257, 481, 514, 962, 1651, 3302, 3341, 4699, 6682, 9398, 9509, 19018, 32639, 61087, 65278, 122174, 123617, 247234, 424307, 848614, 1207643, 2415286, 15699359, 31398718]

約数ペア:

[(1, 31398718), (2, 15699359), (13, 2415286), (26, 1207643), (37, 848614), (74, 424307), (127, 247234), (254, 123617), (257, 122174), (481, 65278), (514, 61087), (962, 32639), (1651, 19018), (3302, 9509), (3341, 9398), (4699, 6682)]