81397108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 159888960

約数和(自身を除く): 78491852

約数列:

[1, 2, 4, 13, 26, 43, 52, 59, 86, 118, 172, 236, 559, 617, 767, 1118, 1234, 1534, 2236, 2468, 2537, 3068, 5074, 8021, 10148, 16042, 26531, 32084, 32981, 36403, 53062, 65962, 72806, 106124, 131924, 145612, 344903, 473239, 689806, 946478, 1379612, 1565329, 1892956, 3130658, 6261316, 20349277, 40698554, 81397108]

約数ペア:

[(1, 81397108), (2, 40698554), (4, 20349277), (13, 6261316), (26, 3130658), (43, 1892956), (52, 1565329), (59, 1379612), (86, 946478), (118, 689806), (172, 473239), (236, 344903), (559, 145612), (617, 131924), (767, 106124), (1118, 72806), (1234, 65962), (1534, 53062), (2236, 36403), (2468, 32981), (2537, 32084), (3068, 26531), (5074, 16042), (8021, 10148)]