17987035

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 25090560

約数和(自身を除く): 7103525

約数列:

[1, 5, 11, 23, 55, 59, 115, 241, 253, 295, 649, 1205, 1265, 1357, 2651, 3245, 5543, 6785, 13255, 14219, 14927, 27715, 60973, 71095, 74635, 156409, 304865, 327037, 782045, 1635185, 3597407, 17987035]

約数ペア:

[(1, 17987035), (5, 3597407), (11, 1635185), (23, 782045), (55, 327037), (59, 304865), (115, 156409), (241, 74635), (253, 71095), (295, 60973), (649, 27715), (1205, 14927), (1265, 14219), (1357, 13255), (2651, 6785), (3245, 5543)]