81660046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 134719200

約数和(自身を除く): 53059154

約数列:

[1, 2, 13, 26, 107, 149, 197, 214, 298, 394, 1391, 1937, 2561, 2782, 3874, 5122, 15943, 21079, 29353, 31886, 42158, 58706, 207259, 274027, 381589, 414518, 548054, 763178, 3140771, 6281542, 40830023, 81660046]

約数ペア:

[(1, 81660046), (2, 40830023), (13, 6281542), (26, 3140771), (107, 763178), (149, 548054), (197, 414518), (214, 381589), (298, 274027), (394, 207259), (1391, 58706), (1937, 42158), (2561, 31886), (2782, 29353), (3874, 21079), (5122, 15943)]