81185510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19013}}^1$

素因数の和:19088

約数の個数: 32

約数和(自身を含む): 169756992

約数和(自身を除く): 88571482

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 19013, 38026, 95065, 133091, 190130, 266182, 665455, 1159793, 1330910, 2319586, 5798965, 8118551, 11597930, 16237102, 40592755, 81185510]

約数ペア:

[(1, 81185510), (2, 40592755), (5, 16237102), (7, 11597930), (10, 8118551), (14, 5798965), (35, 2319586), (61, 1330910), (70, 1159793), (122, 665455), (305, 266182), (427, 190130), (610, 133091), (854, 95065), (2135, 38026), (4270, 19013)]