81650452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{25741}}^1$

素因数の和:25819

約数の個数: 24

約数和(自身を含む): 156408392

約数和(自身を除く): 74757940

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 25741, 51482, 102964, 334633, 669266, 1338532, 1570201, 3140402, 6280804, 20412613, 40825226, 81650452]

約数ペア:

[(1, 81650452), (2, 40825226), (4, 20412613), (13, 6280804), (26, 3140402), (52, 1570201), (61, 1338532), (122, 669266), (244, 334633), (793, 102964), (1586, 51482), (3172, 25741)]