308940905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{11131}}^1$

素因数の和:11217

約数の個数: 32

約数和(自身を含む): 463803648

約数和(自身を除く): 154862743

約数列:

[1, 5, 7, 13, 35, 61, 65, 91, 305, 427, 455, 793, 2135, 3965, 5551, 11131, 27755, 55655, 77917, 144703, 389585, 678991, 723515, 1012921, 3394955, 4752937, 5064605, 8826883, 23764685, 44134415, 61788181, 308940905]

約数ペア:

[(1, 308940905), (5, 61788181), (7, 44134415), (13, 23764685), (35, 8826883), (61, 5064605), (65, 4752937), (91, 3394955), (305, 1012921), (427, 723515), (455, 678991), (793, 389585), (2135, 144703), (3965, 77917), (5551, 55655), (11131, 27755)]