28931440615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{20639}}^1$

素因数の和:21004

約数の個数: 48

約数和(自身を含む): 43746232320

約数和(自身を除く): 14814791705

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 331, 385, 605, 847, 1655, 2317, 3641, 4235, 11585, 18205, 20639, 25487, 40051, 103195, 127435, 144473, 200255, 227029, 280357, 722365, 1135145, 1401785, 1589203, 2497319, 6831509, 7946015, 12486595, 17481233, 34157545, 47820563, 75146599, 87406165, 239102815, 375732995, 526026193, 826612589, 2630130965, 4133062945, 5786288123, 28931440615]

約数ペア:

[(1, 28931440615), (5, 5786288123), (7, 4133062945), (11, 2630130965), (35, 826612589), (55, 526026193), (77, 375732995), (121, 239102815), (331, 87406165), (385, 75146599), (605, 47820563), (847, 34157545), (1655, 17481233), (2317, 12486595), (3641, 7946015), (4235, 6831509), (11585, 2497319), (18205, 1589203), (20639, 1401785), (25487, 1135145), (40051, 722365), (103195, 280357), (127435, 227029), (144473, 200255)]