205653590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{15313}}^1$

素因数の和:15416

約数の個数: 32

約数和(自身を含む): 396938880

約数和(自身を除く): 191285290

約数列:

[1, 2, 5, 10, 17, 34, 79, 85, 158, 170, 395, 790, 1343, 2686, 6715, 13430, 15313, 30626, 76565, 153130, 260321, 520642, 1209727, 1301605, 2419454, 2603210, 6048635, 12097270, 20565359, 41130718, 102826795, 205653590]

約数ペア:

[(1, 205653590), (2, 102826795), (5, 41130718), (10, 20565359), (17, 12097270), (34, 6048635), (79, 2603210), (85, 2419454), (158, 1301605), (170, 1209727), (395, 520642), (790, 260321), (1343, 153130), (2686, 76565), (6715, 30626), (13430, 15313)]