31451888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1699}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 66402000

約数和(自身を除く): 34950112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1157, 1424, 1699, 2314, 3398, 4628, 6796, 9256, 13592, 18512, 22087, 27184, 44174, 88348, 151211, 176696, 302422, 353392, 604844, 1209688, 1965743, 2419376, 3931486, 7862972, 15725944, 31451888]

約数ペア:

[(1, 31451888), (2, 15725944), (4, 7862972), (8, 3931486), (13, 2419376), (16, 1965743), (26, 1209688), (52, 604844), (89, 353392), (104, 302422), (178, 176696), (208, 151211), (356, 88348), (712, 44174), (1157, 27184), (1424, 22087), (1699, 18512), (2314, 13592), (3398, 9256), (4628, 6796)]