90842645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 120722400

約数和(自身を除く): 29879755

約数列:

[1, 5, 17, 29, 85, 137, 145, 269, 493, 685, 1345, 2329, 2465, 3973, 4573, 7801, 11645, 19865, 22865, 36853, 39005, 67541, 132617, 184265, 337705, 626501, 663085, 1068737, 3132505, 5343685, 18168529, 90842645]

約数ペア:

[(1, 90842645), (5, 18168529), (17, 5343685), (29, 3132505), (85, 1068737), (137, 663085), (145, 626501), (269, 337705), (493, 184265), (685, 132617), (1345, 67541), (2329, 39005), (2465, 36853), (3973, 22865), (4573, 19865), (7801, 11645)]