13721456

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1329

約数の個数: 40

約数和(自身を含む): 30709344

約数和(自身を除く): 16987888

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1213, 1414, 1616, 2426, 2828, 4852, 5656, 8491, 9704, 11312, 16982, 19408, 33964, 67928, 122513, 135856, 245026, 490052, 857591, 980104, 1715182, 1960208, 3430364, 6860728, 13721456]

約数ペア:

[(1, 13721456), (2, 6860728), (4, 3430364), (7, 1960208), (8, 1715182), (14, 980104), (16, 857591), (28, 490052), (56, 245026), (101, 135856), (112, 122513), (202, 67928), (404, 33964), (707, 19408), (808, 16982), (1213, 11312), (1414, 9704), (1616, 8491), (2426, 5656), (2828, 4852)]