428699992

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{246947}}^1$

素因数の和:246991

約数の個数: 32

約数和(自身を含む): 948280320

約数和(自身を除く): 519580328

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 246947, 493894, 987788, 1728629, 1975576, 3457258, 6914516, 7655357, 13829032, 15310714, 30621428, 53587499, 61242856, 107174998, 214349996, 428699992]

約数ペア:

[(1, 428699992), (2, 214349996), (4, 107174998), (7, 61242856), (8, 53587499), (14, 30621428), (28, 15310714), (31, 13829032), (56, 7655357), (62, 6914516), (124, 3457258), (217, 1975576), (248, 1728629), (434, 987788), (868, 493894), (1736, 246947)]