81907210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{106373}}^1$

素因数の和:106398

約数の個数: 32

約数和(自身を含む): 183814272

約数和(自身を除く): 101907062

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 106373, 212746, 531865, 744611, 1063730, 1170103, 1489222, 2340206, 3723055, 5850515, 7446110, 8190721, 11701030, 16381442, 40953605, 81907210]

約数ペア:

[(1, 81907210), (2, 40953605), (5, 16381442), (7, 11701030), (10, 8190721), (11, 7446110), (14, 5850515), (22, 3723055), (35, 2340206), (55, 1489222), (70, 1170103), (77, 1063730), (110, 744611), (154, 531865), (385, 212746), (770, 106373)]