1279052944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{323647}}^1$

素因数の和:323687

約数の個数: 40

約数和(自身を含む): 2809264640

約数和(自身を除く): 1530211696

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 323647, 647294, 1294588, 2589176, 4207411, 5178352, 6149293, 8414822, 12298586, 16829644, 24597172, 33659288, 49194344, 67318576, 79940809, 98388688, 159881618, 319763236, 639526472, 1279052944]

約数ペア:

[(1, 1279052944), (2, 639526472), (4, 319763236), (8, 159881618), (13, 98388688), (16, 79940809), (19, 67318576), (26, 49194344), (38, 33659288), (52, 24597172), (76, 16829644), (104, 12298586), (152, 8414822), (208, 6149293), (247, 5178352), (304, 4207411), (494, 2589176), (988, 1294588), (1976, 647294), (3952, 323647)]