81777070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1747}}^1$

素因数の和:1936

約数の個数: 32

約数和(自身を含む): 153040896

約数和(自身を除く): 71263826

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 755, 1510, 1747, 3494, 4681, 8735, 9362, 17470, 23405, 46810, 54157, 108314, 263797, 270785, 527594, 541570, 1318985, 2637970, 8177707, 16355414, 40888535, 81777070]

約数ペア:

[(1, 81777070), (2, 40888535), (5, 16355414), (10, 8177707), (31, 2637970), (62, 1318985), (151, 541570), (155, 527594), (302, 270785), (310, 263797), (755, 108314), (1510, 54157), (1747, 46810), (3494, 23405), (4681, 17470), (8735, 9362)]