1987588015

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1\times {\mathrm{2837}}^1$

素因数の和:3427

約数の個数: 32

約数和(自身を含む): 2805669504

約数和(自身を除く): 818081489

約数列:

[1, 5, 7, 35, 37, 185, 259, 541, 1295, 2705, 2837, 3787, 14185, 18935, 19859, 20017, 99295, 100085, 104969, 140119, 524845, 700595, 734783, 1534817, 3673915, 7674085, 10743719, 53718595, 56788229, 283941145, 397517603, 1987588015]

約数ペア:

[(1, 1987588015), (5, 397517603), (7, 283941145), (35, 56788229), (37, 53718595), (185, 10743719), (259, 7674085), (541, 3673915), (1295, 1534817), (2705, 734783), (2837, 700595), (3787, 524845), (14185, 140119), (18935, 104969), (19859, 100085), (20017, 99295)]