15888115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 21337344

約数和(自身を除く): 5449229

約数列:

[1, 5, 17, 41, 47, 85, 97, 205, 235, 485, 697, 799, 1649, 1927, 3485, 3977, 3995, 4559, 8245, 9635, 19885, 22795, 32759, 67609, 77503, 163795, 186919, 338045, 387515, 934595, 3177623, 15888115]

約数ペア:

[(1, 15888115), (5, 3177623), (17, 934595), (41, 387515), (47, 338045), (85, 186919), (97, 163795), (205, 77503), (235, 67609), (485, 32759), (697, 22795), (799, 19885), (1649, 9635), (1927, 8245), (3485, 4559), (3977, 3995)]