393400488

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1260899}}^1$

素因数の和:1260921

約数の個数: 32

約数和(自身を含む): 1059156000

約数和(自身を除く): 665755512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 1260899, 2521798, 3782697, 5043596, 7565394, 10087192, 15130788, 16391687, 30261576, 32783374, 49175061, 65566748, 98350122, 131133496, 196700244, 393400488]

約数ペア:

[(1, 393400488), (2, 196700244), (3, 131133496), (4, 98350122), (6, 65566748), (8, 49175061), (12, 32783374), (13, 30261576), (24, 16391687), (26, 15130788), (39, 10087192), (52, 7565394), (78, 5043596), (104, 3782697), (156, 2521798), (312, 1260899)]