31857553

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 42319872

約数和(自身を除く): 10462319

約数列:

[1, 7, 13, 23, 31, 91, 161, 217, 299, 403, 491, 713, 2093, 2821, 3437, 4991, 6383, 9269, 11293, 15221, 44681, 64883, 79051, 106547, 146809, 197873, 350083, 1027663, 1385111, 2450581, 4551079, 31857553]

約数ペア:

[(1, 31857553), (7, 4551079), (13, 2450581), (23, 1385111), (31, 1027663), (91, 350083), (161, 197873), (217, 146809), (299, 106547), (403, 79051), (491, 64883), (713, 44681), (2093, 15221), (2821, 11293), (3437, 9269), (4991, 6383)]