78401272

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{49747}}^1$

素因数の和:49950

約数の個数: 16

約数和(自身を含む): 147751560

約数和(自身を除く): 69350288

約数列:

[1, 2, 4, 8, 197, 394, 788, 1576, 49747, 99494, 198988, 397976, 9800159, 19600318, 39200636, 78401272]

約数ペア:

[(1, 78401272), (2, 39200636), (4, 19600318), (8, 9800159), (197, 397976), (394, 198988), (788, 99494), (1576, 49747)]