638521730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{829249}}^1$

素因数の和:829274

約数の個数: 32

約数和(自身を含む): 1432944000

約数和(自身を除く): 794422270

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 829249, 1658498, 4146245, 5804743, 8292490, 9121739, 11609486, 18243478, 29023715, 45608695, 58047430, 63852173, 91217390, 127704346, 319260865, 638521730]

約数ペア:

[(1, 638521730), (2, 319260865), (5, 127704346), (7, 91217390), (10, 63852173), (11, 58047430), (14, 45608695), (22, 29023715), (35, 18243478), (55, 11609486), (70, 9121739), (77, 8292490), (110, 5804743), (154, 4146245), (385, 1658498), (770, 829249)]