54781111

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 70709760

約数和(自身を除く): 15928649

約数列:

[1, 7, 11, 61, 77, 107, 109, 427, 671, 749, 763, 1177, 1199, 4697, 6527, 6649, 8239, 8393, 11663, 45689, 46543, 71797, 73139, 81641, 128293, 502579, 511973, 711443, 898051, 4980101, 7825873, 54781111]

約数ペア:

[(1, 54781111), (7, 7825873), (11, 4980101), (61, 898051), (77, 711443), (107, 511973), (109, 502579), (427, 128293), (671, 81641), (749, 73139), (763, 71797), (1177, 46543), (1199, 45689), (4697, 11663), (6527, 8393), (6649, 8239)]