28713595

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 37842048

約数和(自身を除く): 9128453

約数列:

[1, 5, 17, 31, 85, 155, 289, 527, 641, 1445, 2635, 3205, 8959, 10897, 19871, 44795, 54485, 99355, 185249, 337807, 926245, 1689035, 5742719, 28713595]

約数ペア:

[(1, 28713595), (5, 5742719), (17, 1689035), (31, 926245), (85, 337807), (155, 185249), (289, 99355), (527, 54485), (641, 44795), (1445, 19871), (2635, 10897), (3205, 8959)]