1218518005

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 1529902080

約数和(自身を除く): 311384075

約数列:

[1, 5, 47, 61, 167, 235, 305, 509, 835, 2545, 2867, 7849, 10187, 14335, 23923, 31049, 39245, 50935, 85003, 119615, 155245, 425015, 478789, 1459303, 2393945, 3995141, 5185183, 7296515, 19975705, 25925915, 243703601, 1218518005]

約数ペア:

[(1, 1218518005), (5, 243703601), (47, 25925915), (61, 19975705), (167, 7296515), (235, 5185183), (305, 3995141), (509, 2393945), (835, 1459303), (2545, 478789), (2867, 425015), (7849, 155245), (10187, 119615), (14335, 85003), (23923, 50935), (31049, 39245)]