108649079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 145981440

約数和(自身を除く): 37332361

約数列:

[1, 7, 11, 23, 31, 77, 161, 217, 253, 341, 713, 1771, 1979, 2387, 4991, 7843, 13853, 21769, 45517, 54901, 61349, 152383, 318619, 429443, 500687, 674839, 1411027, 3504809, 4723873, 9877189, 15521297, 108649079]

約数ペア:

[(1, 108649079), (7, 15521297), (11, 9877189), (23, 4723873), (31, 3504809), (77, 1411027), (161, 674839), (217, 500687), (253, 429443), (341, 318619), (713, 152383), (1771, 61349), (1979, 54901), (2387, 45517), (4991, 21769), (7843, 13853)]