128450644

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{64613}}^1$

素因数の和:64695

約数の個数: 24

約数和(自身を含む): 260523648

約数和(自身を除く): 132073004

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 64613, 129226, 258452, 452291, 904582, 1809164, 4587523, 9175046, 18350092, 32112661, 64225322, 128450644]

約数ペア:

[(1, 128450644), (2, 64225322), (4, 32112661), (7, 18350092), (14, 9175046), (28, 4587523), (71, 1809164), (142, 904582), (284, 452291), (497, 258452), (994, 129226), (1988, 64613)]