2539775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 3761664

約数和(自身を除く): 1221889

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 631, 805, 3155, 4025, 4417, 14513, 15775, 22085, 72565, 101591, 110425, 362825, 507955, 2539775]

約数ペア:

[(1, 2539775), (5, 507955), (7, 362825), (23, 110425), (25, 101591), (35, 72565), (115, 22085), (161, 15775), (175, 14513), (575, 4417), (631, 4025), (805, 3155)]