39128138

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1142

約数の個数: 32

約数和(自身を含む): 70087680

約数和(自身を除く): 30959542

約数列:

[1, 2, 7, 14, 31, 62, 89, 178, 217, 434, 623, 1013, 1246, 2026, 2759, 5518, 7091, 14182, 19313, 31403, 38626, 62806, 90157, 180314, 219821, 439642, 631099, 1262198, 2794867, 5589734, 19564069, 39128138]

約数ペア:

[(1, 39128138), (2, 19564069), (7, 5589734), (14, 2794867), (31, 1262198), (62, 631099), (89, 439642), (178, 219821), (217, 180314), (434, 90157), (623, 62806), (1013, 38626), (1246, 31403), (2026, 19313), (2759, 14182), (5518, 7091)]