31487978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 53395200

約数和(自身を除く): 21907222

約数列:

[1, 2, 17, 19, 34, 38, 79, 158, 323, 617, 646, 1234, 1343, 1501, 2686, 3002, 10489, 11723, 20978, 23446, 25517, 48743, 51034, 97486, 199291, 398582, 828631, 926117, 1657262, 1852234, 15743989, 31487978]

約数ペア:

[(1, 31487978), (2, 15743989), (17, 1852234), (19, 1657262), (34, 926117), (38, 828631), (79, 398582), (158, 199291), (323, 97486), (617, 51034), (646, 48743), (1234, 25517), (1343, 23446), (1501, 20978), (2686, 11723), (3002, 10489)]