1640802758

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1\times {\mathrm{1861}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 2857171968

約数和(自身を除く): 1216369210

約数列:

[1, 2, 7, 14, 71, 142, 497, 887, 994, 1774, 1861, 3722, 6209, 12418, 13027, 26054, 62977, 125954, 132131, 264262, 440839, 881678, 924917, 1650707, 1849834, 3301414, 11554949, 23109898, 117200197, 234400394, 820401379, 1640802758]

約数ペア:

[(1, 1640802758), (2, 820401379), (7, 234400394), (14, 117200197), (71, 23109898), (142, 11554949), (497, 3301414), (887, 1849834), (994, 1650707), (1774, 924917), (1861, 881678), (3722, 440839), (6209, 264262), (12418, 132131), (13027, 125954), (26054, 62977)]