54548975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{12911}}^1$

素因数の和:12947

約数の個数: 18

約数和(自身を含む): 73249776

約数和(自身を除く): 18700801

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 12911, 64555, 167843, 322775, 839215, 2181959, 4196075, 10909795, 54548975]

約数ペア:

[(1, 54548975), (5, 10909795), (13, 4196075), (25, 2181959), (65, 839215), (169, 322775), (325, 167843), (845, 64555), (4225, 12911)]