1406990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 2782080

約数和(自身を除く): 1375090

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 137, 158, 274, 395, 685, 790, 1027, 1370, 1781, 2054, 3562, 5135, 8905, 10270, 10823, 17810, 21646, 54115, 108230, 140699, 281398, 703495, 1406990]

約数ペア:

[(1, 1406990), (2, 703495), (5, 281398), (10, 140699), (13, 108230), (26, 54115), (65, 21646), (79, 17810), (130, 10823), (137, 10270), (158, 8905), (274, 5135), (395, 3562), (685, 2054), (790, 1781), (1027, 1370)]