31178888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{733}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 63197400

約数和(自身を除く): 32018512

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 733, 818, 1466, 1636, 2932, 3272, 5317, 5864, 9529, 10634, 19058, 21268, 38116, 42536, 76232, 299797, 599594, 1199188, 2398376, 3897361, 7794722, 15589444, 31178888]

約数ペア:

[(1, 31178888), (2, 15589444), (4, 7794722), (8, 3897361), (13, 2398376), (26, 1199188), (52, 599594), (104, 299797), (409, 76232), (733, 42536), (818, 38116), (1466, 21268), (1636, 19058), (2932, 10634), (3272, 9529), (5317, 5864)]