289871452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179821}}^1$

素因数の和:179869

約数の個数: 24

約数和(自身を含む): 563921792

約数和(自身を除く): 274050340

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 179821, 359642, 719284, 2337673, 4675346, 5574451, 9350692, 11148902, 22297804, 72467863, 144935726, 289871452]

約数ペア:

[(1, 289871452), (2, 144935726), (4, 72467863), (13, 22297804), (26, 11148902), (31, 9350692), (52, 5574451), (62, 4675346), (124, 2337673), (403, 719284), (806, 359642), (1612, 179821)]