23158891

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 29675520

約数和(自身を除く): 6516629

約数列:

[1, 7, 19, 31, 41, 133, 137, 217, 287, 589, 779, 959, 1271, 2603, 4123, 4247, 5453, 5617, 8897, 18221, 24149, 29729, 39319, 80693, 106723, 169043, 174127, 564851, 747061, 1218889, 3308413, 23158891]

約数ペア:

[(1, 23158891), (7, 3308413), (19, 1218889), (31, 747061), (41, 564851), (133, 174127), (137, 169043), (217, 106723), (287, 80693), (589, 39319), (779, 29729), (959, 24149), (1271, 18221), (2603, 8897), (4123, 5617), (4247, 5453)]