2538902015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{967}}^1\times {\mathrm{1303}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 3392987136

約数和(自身を除く): 854085121

約数列:

[1, 5, 13, 31, 65, 155, 403, 967, 1303, 2015, 4835, 6515, 12571, 16939, 29977, 40393, 62855, 84695, 149885, 201965, 389701, 525109, 1260001, 1948505, 2625545, 6300005, 16380013, 39060031, 81900065, 195300155, 507780403, 2538902015]

約数ペア:

[(1, 2538902015), (5, 507780403), (13, 195300155), (31, 81900065), (65, 39060031), (155, 16380013), (403, 6300005), (967, 2625545), (1303, 1948505), (2015, 1260001), (4835, 525109), (6515, 389701), (12571, 201965), (16939, 149885), (29977, 84695), (40393, 62855)]