31581108

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67481}}^1$

素因数の和:67504

約数の個数: 36

約数和(自身を含む): 85972068

約数和(自身を除く): 54390960

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 67481, 134962, 202443, 269924, 404886, 607329, 809772, 877253, 1214658, 1754506, 2429316, 2631759, 3509012, 5263518, 7895277, 10527036, 15790554, 31581108]

約数ペア:

[(1, 31581108), (2, 15790554), (3, 10527036), (4, 7895277), (6, 5263518), (9, 3509012), (12, 2631759), (13, 2429316), (18, 1754506), (26, 1214658), (36, 877253), (39, 809772), (52, 607329), (78, 404886), (117, 269924), (156, 202443), (234, 134962), (468, 67481)]