407257072

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1321

約数の個数: 40

約数和(自身を含む): 802716480

約数和(自身を除く): 395459408

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 431, 584, 809, 862, 1168, 1618, 1724, 3236, 3448, 6472, 6896, 12944, 31463, 59057, 62926, 118114, 125852, 236228, 251704, 348679, 472456, 503408, 697358, 944912, 1394716, 2789432, 5578864, 25453567, 50907134, 101814268, 203628536, 407257072]

約数ペア:

[(1, 407257072), (2, 203628536), (4, 101814268), (8, 50907134), (16, 25453567), (73, 5578864), (146, 2789432), (292, 1394716), (431, 944912), (584, 697358), (809, 503408), (862, 472456), (1168, 348679), (1618, 251704), (1724, 236228), (3236, 125852), (3448, 118114), (6472, 62926), (6896, 59057), (12944, 31463)]