31813964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 69543936

約数和(自身を除く): 37729972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1231, 1846, 1988, 2462, 3692, 4924, 6461, 8617, 12922, 16003, 17234, 25844, 32006, 34468, 64012, 87401, 112021, 174802, 224042, 349604, 448084, 611807, 1136213, 1223614, 2272426, 2447228, 4544852, 7953491, 15906982, 31813964]

約数ペア:

[(1, 31813964), (2, 15906982), (4, 7953491), (7, 4544852), (13, 2447228), (14, 2272426), (26, 1223614), (28, 1136213), (52, 611807), (71, 448084), (91, 349604), (142, 224042), (182, 174802), (284, 112021), (364, 87401), (497, 64012), (923, 34468), (994, 32006), (1231, 25844), (1846, 17234), (1988, 16003), (2462, 12922), (3692, 8617), (4924, 6461)]