31904912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{977}}^1$

素因数の和:1155

約数の個数: 40

約数和(自身を含む): 67063416

約数和(自身を除く): 35158504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 977, 1256, 1954, 2041, 2512, 3908, 4082, 7816, 8164, 12701, 15632, 16328, 25402, 32656, 50804, 101608, 153389, 203216, 306778, 613556, 1227112, 1994057, 2454224, 3988114, 7976228, 15952456, 31904912]

約数ペア:

[(1, 31904912), (2, 15952456), (4, 7976228), (8, 3988114), (13, 2454224), (16, 1994057), (26, 1227112), (52, 613556), (104, 306778), (157, 203216), (208, 153389), (314, 101608), (628, 50804), (977, 32656), (1256, 25402), (1954, 16328), (2041, 15632), (2512, 12701), (3908, 8164), (4082, 7816)]