213878035

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{683}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 307307520

約数和(自身を除く): 93429485

約数列:

[1, 5, 7, 23, 35, 115, 161, 389, 683, 805, 1945, 2723, 3415, 4781, 8947, 13615, 15709, 23905, 44735, 62629, 78545, 109963, 265687, 313145, 549815, 1328435, 1859809, 6110801, 9299045, 30554005, 42775607, 213878035]

約数ペア:

[(1, 213878035), (5, 42775607), (7, 30554005), (23, 9299045), (35, 6110801), (115, 1859809), (161, 1328435), (389, 549815), (683, 313145), (805, 265687), (1945, 109963), (2723, 78545), (3415, 62629), (4781, 44735), (8947, 23905), (13615, 15709)]