31857904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1579}}^1$

素因数の和:1697

約数の個数: 40

約数和(自身を含む): 67200560

約数和(自身を除く): 35342656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 1579, 2522, 3158, 5044, 6316, 10088, 12632, 20176, 20527, 25264, 41054, 82108, 153163, 164216, 306326, 328432, 612652, 1225304, 1991119, 2450608, 3982238, 7964476, 15928952, 31857904]

約数ペア:

[(1, 31857904), (2, 15928952), (4, 7964476), (8, 3982238), (13, 2450608), (16, 1991119), (26, 1225304), (52, 612652), (97, 328432), (104, 306326), (194, 164216), (208, 153163), (388, 82108), (776, 41054), (1261, 25264), (1552, 20527), (1579, 20176), (2522, 12632), (3158, 10088), (5044, 6316)]