899568385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 1149603840

約数和(自身を除く): 250035455

約数列:

[1, 5, 31, 43, 139, 155, 215, 695, 971, 1333, 4309, 4855, 5977, 6665, 21545, 29885, 30101, 41753, 134969, 150505, 185287, 208765, 674845, 926435, 1294343, 4184039, 5803667, 6471715, 20920195, 29018335, 179913677, 899568385]

約数ペア:

[(1, 899568385), (5, 179913677), (31, 29018335), (43, 20920195), (139, 6471715), (155, 5803667), (215, 4184039), (695, 1294343), (971, 926435), (1333, 674845), (4309, 208765), (4855, 185287), (5977, 150505), (6665, 134969), (21545, 41753), (29885, 30101)]