17980493790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{85621399}}^1$

素因数の和:85621416

約数の個数: 32

約数和(自身を含む): 49317926400

約数和(自身を除く): 31337432610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 85621399, 171242798, 256864197, 428106995, 513728394, 599349793, 856213990, 1198699586, 1284320985, 1798049379, 2568641970, 2996748965, 3596098758, 5993497930, 8990246895, 17980493790]

約数ペア:

[(1, 17980493790), (2, 8990246895), (3, 5993497930), (5, 3596098758), (6, 2996748965), (7, 2568641970), (10, 1798049379), (14, 1284320985), (15, 1198699586), (21, 856213990), (30, 599349793), (35, 513728394), (42, 428106995), (70, 256864197), (105, 171242798), (210, 85621399)]