2821554745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 3545256960

約数和(自身を除く): 723702215

約数列:

[1, 5, 31, 139, 155, 173, 695, 757, 865, 3785, 4309, 5363, 21545, 23467, 24047, 26815, 105223, 117335, 120235, 130961, 526115, 654805, 745457, 3261913, 3727285, 4059791, 16309565, 18203579, 20298955, 91017895, 564310949, 2821554745]

約数ペア:

[(1, 2821554745), (5, 564310949), (31, 91017895), (139, 20298955), (155, 18203579), (173, 16309565), (695, 4059791), (757, 3727285), (865, 3261913), (3785, 745457), (4309, 654805), (5363, 526115), (21545, 130961), (23467, 120235), (24047, 117335), (26815, 105223)]