313617616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2309}}^1$

素因数の和:2983

約数の個数: 40

約数和(自身を含む): 655661160

約数和(自身を除く): 342043544

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 653, 1306, 2309, 2612, 4618, 5224, 8489, 9236, 10448, 16978, 18472, 30017, 33956, 36944, 60034, 67912, 120068, 135824, 240136, 480272, 1507777, 3015554, 6031108, 12062216, 19601101, 24124432, 39202202, 78404404, 156808808, 313617616]

約数ペア:

[(1, 313617616), (2, 156808808), (4, 78404404), (8, 39202202), (13, 24124432), (16, 19601101), (26, 12062216), (52, 6031108), (104, 3015554), (208, 1507777), (653, 480272), (1306, 240136), (2309, 135824), (2612, 120068), (4618, 67912), (5224, 60034), (8489, 36944), (9236, 33956), (10448, 30017), (16978, 18472)]