278323006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1663}}^1$

素因数の和:1876

約数の個数: 32

約数和(自身を含む): 463776768

約数和(自身を除く): 185453762

約数列:

[1, 2, 13, 26, 41, 82, 157, 314, 533, 1066, 1663, 2041, 3326, 4082, 6437, 12874, 21619, 43238, 68183, 83681, 136366, 167362, 261091, 522182, 886379, 1772758, 3394183, 6788366, 10704731, 21409462, 139161503, 278323006]

約数ペア:

[(1, 278323006), (2, 139161503), (13, 21409462), (26, 10704731), (41, 6788366), (82, 3394183), (157, 1772758), (314, 886379), (533, 522182), (1066, 261091), (1663, 167362), (2041, 136366), (3326, 83681), (4082, 68183), (6437, 43238), (12874, 21619)]