205379968

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{84449}}^1$

素因数の和:84482

約数の個数: 32

約数和(自身を含む): 430695000

約数和(自身を除く): 225315032

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 84449, 168898, 337796, 675592, 1351184, 1604531, 2702368, 3209062, 5404736, 6418124, 10809472, 12836248, 25672496, 51344992, 102689984, 205379968]

約数ペア:

[(1, 205379968), (2, 102689984), (4, 51344992), (8, 25672496), (16, 12836248), (19, 10809472), (32, 6418124), (38, 5404736), (64, 3209062), (76, 2702368), (128, 1604531), (152, 1351184), (304, 675592), (608, 337796), (1216, 168898), (2432, 84449)]