140170499

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 168539904

約数和(自身を除く): 28369405

約数列:

[1, 7, 31, 67, 217, 311, 469, 961, 2077, 2177, 6727, 9641, 14539, 20837, 64387, 67487, 145859, 298871, 450709, 645947, 2092097, 4521629, 20024357, 140170499]

約数ペア:

[(1, 140170499), (7, 20024357), (31, 4521629), (67, 2092097), (217, 645947), (311, 450709), (469, 298871), (961, 145859), (2077, 67487), (2177, 64387), (6727, 20837), (9641, 14539)]