66811430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1489}}^1$

素因数の和:2144

約数の個数: 32

約数和(自身を含む): 137747520

約数和(自身を除く): 70936090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 641, 1282, 1489, 2978, 3205, 4487, 6410, 7445, 8974, 10423, 14890, 20846, 22435, 44870, 52115, 104230, 954449, 1908898, 4772245, 6681143, 9544490, 13362286, 33405715, 66811430]

約数ペア:

[(1, 66811430), (2, 33405715), (5, 13362286), (7, 9544490), (10, 6681143), (14, 4772245), (35, 1908898), (70, 954449), (641, 104230), (1282, 52115), (1489, 44870), (2978, 22435), (3205, 20846), (4487, 14890), (6410, 10423), (7445, 8974)]