31199615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 10617985

約数列:

[1, 5, 19, 23, 95, 109, 115, 131, 437, 545, 655, 2071, 2185, 2489, 2507, 3013, 10355, 12445, 12535, 14279, 15065, 47633, 57247, 71395, 238165, 271301, 286235, 328417, 1356505, 1642085, 6239923, 31199615]

約数ペア:

[(1, 31199615), (5, 6239923), (19, 1642085), (23, 1356505), (95, 328417), (109, 286235), (115, 271301), (131, 238165), (437, 71395), (545, 57247), (655, 47633), (2071, 15065), (2185, 14279), (2489, 12535), (2507, 12445), (3013, 10355)]