127989428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{64381}}^1$

素因数の和:64463

約数の個数: 24

約数和(自身を含む): 259588224

約数和(自身を除く): 131598796

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 64381, 128762, 257524, 450667, 901334, 1802668, 4571051, 9142102, 18284204, 31997357, 63994714, 127989428]

約数ペア:

[(1, 127989428), (2, 63994714), (4, 31997357), (7, 18284204), (14, 9142102), (28, 4571051), (71, 1802668), (142, 901334), (284, 450667), (497, 257524), (994, 128762), (1988, 64381)]