31637008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 66792600

約数和(自身を除く): 35155592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 1709, 2314, 3418, 4628, 6836, 9256, 13672, 18512, 22217, 27344, 44434, 88868, 152101, 177736, 304202, 355472, 608404, 1216808, 1977313, 2433616, 3954626, 7909252, 15818504, 31637008]

約数ペア:

[(1, 31637008), (2, 15818504), (4, 7909252), (8, 3954626), (13, 2433616), (16, 1977313), (26, 1216808), (52, 608404), (89, 355472), (104, 304202), (178, 177736), (208, 152101), (356, 88868), (712, 44434), (1157, 27344), (1424, 22217), (1709, 18512), (2314, 13672), (3418, 9256), (4628, 6836)]