31191958

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 56736000

約数和(自身を除く): 25544042

約数列:

[1, 2, 7, 14, 19, 38, 133, 149, 266, 298, 787, 1043, 1574, 2086, 2831, 5509, 5662, 11018, 14953, 19817, 29906, 39634, 104671, 117263, 209342, 234526, 820841, 1641682, 2227997, 4455994, 15595979, 31191958]

約数ペア:

[(1, 31191958), (2, 15595979), (7, 4455994), (14, 2227997), (19, 1641682), (38, 820841), (133, 234526), (149, 209342), (266, 117263), (298, 104671), (787, 39634), (1043, 29906), (1574, 19817), (2086, 14953), (2831, 11018), (5509, 5662)]