165220390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{28051}}^1$

素因数の和:28108

約数の個数: 32

約数和(自身を含む): 323159040

約数和(自身を除く): 157938650

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 28051, 56102, 140255, 280510, 532969, 869581, 1065938, 1739162, 2664845, 4347905, 5329690, 8695810, 16522039, 33044078, 82610195, 165220390]

約数ペア:

[(1, 165220390), (2, 82610195), (5, 33044078), (10, 16522039), (19, 8695810), (31, 5329690), (38, 4347905), (62, 2664845), (95, 1739162), (155, 1065938), (190, 869581), (310, 532969), (589, 280510), (1178, 140255), (2945, 56102), (5890, 28051)]