31305654

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 71884800

約数和(自身を除く): 40579146

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 239, 342, 383, 478, 717, 766, 1149, 1434, 2151, 2298, 3447, 4302, 4541, 6894, 7277, 9082, 13623, 14554, 21831, 27246, 40869, 43662, 65493, 81738, 91537, 130986, 183074, 274611, 549222, 823833, 1647666, 1739203, 3478406, 5217609, 10435218, 15652827, 31305654]

約数ペア:

[(1, 31305654), (2, 15652827), (3, 10435218), (6, 5217609), (9, 3478406), (18, 1739203), (19, 1647666), (38, 823833), (57, 549222), (114, 274611), (171, 183074), (239, 130986), (342, 91537), (383, 81738), (478, 65493), (717, 43662), (766, 40869), (1149, 27246), (1434, 21831), (2151, 14554), (2298, 13623), (3447, 9082), (4302, 7277), (4541, 6894)]