139917652

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{81919}}^1$

素因数の和:81991

約数の個数: 24

約数和(自身を含む): 284426240

約数和(自身を除く): 144508588

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 81919, 163838, 327676, 573433, 1146866, 2293732, 4997059, 9994118, 19988236, 34979413, 69958826, 139917652]

約数ペア:

[(1, 139917652), (2, 69958826), (4, 34979413), (7, 19988236), (14, 9994118), (28, 4997059), (61, 2293732), (122, 1146866), (244, 573433), (427, 327676), (854, 163838), (1708, 81919)]