72528715

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 106721280

約数和(自身を除く): 34192565

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 553, 595, 1343, 1543, 2765, 6715, 7715, 9401, 10801, 26231, 47005, 54005, 121897, 131155, 183617, 609485, 853279, 918085, 2072249, 4266395, 10361245, 14505743, 72528715]

約数ペア:

[(1, 72528715), (5, 14505743), (7, 10361245), (17, 4266395), (35, 2072249), (79, 918085), (85, 853279), (119, 609485), (395, 183617), (553, 131155), (595, 121897), (1343, 54005), (1543, 47005), (2765, 26231), (6715, 10801), (7715, 9401)]