80010721

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 107025408

約数和(自身を除く): 27014687

約数列:

[1, 7, 17, 23, 31, 41, 119, 161, 217, 287, 391, 527, 529, 697, 713, 943, 1271, 2737, 3689, 3703, 4879, 4991, 6601, 8897, 8993, 12121, 16031, 16399, 21607, 21689, 29233, 62951, 84847, 112217, 114793, 151249, 151823, 204631, 278783, 368713, 496961, 672359, 1951481, 2580991, 3478727, 4706513, 11430103, 80010721]

約数ペア:

[(1, 80010721), (7, 11430103), (17, 4706513), (23, 3478727), (31, 2580991), (41, 1951481), (119, 672359), (161, 496961), (217, 368713), (287, 278783), (391, 204631), (527, 151823), (529, 151249), (697, 114793), (713, 112217), (943, 84847), (1271, 62951), (2737, 29233), (3689, 21689), (3703, 21607), (4879, 16399), (4991, 16031), (6601, 12121), (8897, 8993)]