81349476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{521471}}^1$

素因数の和:521491

約数の個数: 24

約数和(自身を含む): 204417024

約数和(自身を除く): 123067548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 521471, 1042942, 1564413, 2085884, 3128826, 6257652, 6779123, 13558246, 20337369, 27116492, 40674738, 81349476]

約数ペア:

[(1, 81349476), (2, 40674738), (3, 27116492), (4, 20337369), (6, 13558246), (12, 6779123), (13, 6257652), (26, 3128826), (39, 2085884), (52, 1564413), (78, 1042942), (156, 521471)]