28347935

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 43891200

約数和(自身を除く): 15543265

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1595, 2233, 2539, 11165, 12695, 17773, 27929, 73631, 88865, 139645, 195503, 368155, 515417, 809941, 977515, 2577085, 4049705, 5669587, 28347935]

約数ペア:

[(1, 28347935), (5, 5669587), (7, 4049705), (11, 2577085), (29, 977515), (35, 809941), (55, 515417), (77, 368155), (145, 195503), (203, 139645), (319, 88865), (385, 73631), (1015, 27929), (1595, 17773), (2233, 12695), (2539, 11165)]