1640008552

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{31729}}^1$

素因数の和:31826

約数の個数: 64

約数和(自身を含む): 3838060800

約数和(自身を除く): 2198052248

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1846, 1988, 3692, 3976, 6461, 7384, 12922, 25844, 31729, 51688, 63458, 126916, 222103, 253832, 412477, 444206, 824954, 888412, 1649908, 1776824, 2252759, 2887339, 3299816, 4505518, 5774678, 9011036, 11549356, 15769313, 18022072, 23098712, 29285867, 31538626, 58571734, 63077252, 117143468, 126154504, 205001069, 234286936, 410002138, 820004276, 1640008552]

約数ペア:

[(1, 1640008552), (2, 820004276), (4, 410002138), (7, 234286936), (8, 205001069), (13, 126154504), (14, 117143468), (26, 63077252), (28, 58571734), (52, 31538626), (56, 29285867), (71, 23098712), (91, 18022072), (104, 15769313), (142, 11549356), (182, 9011036), (284, 5774678), (364, 4505518), (497, 3299816), (568, 2887339), (728, 2252759), (923, 1776824), (994, 1649908), (1846, 888412), (1988, 824954), (3692, 444206), (3976, 412477), (6461, 253832), (7384, 222103), (12922, 126916), (25844, 63458), (31729, 51688)]