31378592

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2061

約数の個数: 48

約数和(自身を含む): 71632512

約数和(自身を除く): 40253920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1973, 1988, 2272, 3946, 3976, 7892, 7952, 13811, 15784, 15904, 27622, 31568, 55244, 63136, 110488, 140083, 220976, 280166, 441952, 560332, 980581, 1120664, 1961162, 2241328, 3922324, 4482656, 7844648, 15689296, 31378592]

約数ペア:

[(1, 31378592), (2, 15689296), (4, 7844648), (7, 4482656), (8, 3922324), (14, 2241328), (16, 1961162), (28, 1120664), (32, 980581), (56, 560332), (71, 441952), (112, 280166), (142, 220976), (224, 140083), (284, 110488), (497, 63136), (568, 55244), (994, 31568), (1136, 27622), (1973, 15904), (1988, 15784), (2272, 13811), (3946, 7952), (3976, 7892)]