253670365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 341332992

約数和(自身を除く): 87662627

約数列:

[1, 5, 13, 31, 65, 131, 155, 403, 655, 961, 1703, 2015, 4061, 4805, 8515, 12493, 20305, 29791, 52793, 62465, 125891, 148955, 263965, 387283, 629455, 1636583, 1936415, 3902621, 8182915, 19513105, 50734073, 253670365]

約数ペア:

[(1, 253670365), (5, 50734073), (13, 19513105), (31, 8182915), (65, 3902621), (131, 1936415), (155, 1636583), (403, 629455), (655, 387283), (961, 263965), (1703, 148955), (2015, 125891), (4061, 62465), (4805, 52793), (8515, 29791), (12493, 20305)]