31009238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 52469760

約数和(自身を除く): 21460522

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 487, 806, 974, 1027, 2054, 2449, 4898, 6331, 12662, 15097, 30194, 31837, 38473, 63674, 76946, 196261, 392522, 500149, 1000298, 1192663, 2385326, 15504619, 31009238]

約数ペア:

[(1, 31009238), (2, 15504619), (13, 2385326), (26, 1192663), (31, 1000298), (62, 500149), (79, 392522), (158, 196261), (403, 76946), (487, 63674), (806, 38473), (974, 31837), (1027, 30194), (2054, 15097), (2449, 12662), (4898, 6331)]