388620991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{2239}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 438681600

約数和(自身を除く): 50060609

約数列:

[1, 11, 31, 341, 509, 2239, 5599, 15779, 24629, 69409, 173569, 763499, 1139651, 12536161, 35329181, 388620991]

約数ペア:

[(1, 388620991), (11, 35329181), (31, 12536161), (341, 1139651), (509, 763499), (2239, 173569), (5599, 69409), (15779, 24629)]