161801717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 207851520

約数和(自身を除く): 46049803

約数列:

[1, 7, 11, 67, 77, 79, 397, 469, 553, 737, 869, 2779, 4367, 5159, 5293, 6083, 26599, 30569, 31363, 37051, 58223, 186193, 219541, 292589, 344993, 407561, 2048123, 2101321, 2414951, 14709247, 23114531, 161801717]

約数ペア:

[(1, 161801717), (7, 23114531), (11, 14709247), (67, 2414951), (77, 2101321), (79, 2048123), (397, 407561), (469, 344993), (553, 292589), (737, 219541), (869, 186193), (2779, 58223), (4367, 37051), (5159, 31363), (5293, 30569), (6083, 26599)]