31918334

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 56111616

約数和(自身を除く): 24193282

約数列:

[1, 2, 7, 14, 71, 142, 163, 197, 326, 394, 497, 994, 1141, 1379, 2282, 2758, 11573, 13987, 23146, 27974, 32111, 64222, 81011, 97909, 162022, 195818, 224777, 449554, 2279881, 4559762, 15959167, 31918334]

約数ペア:

[(1, 31918334), (2, 15959167), (7, 4559762), (14, 2279881), (71, 449554), (142, 224777), (163, 195818), (197, 162022), (326, 97909), (394, 81011), (497, 64222), (994, 32111), (1141, 27974), (1379, 23146), (2282, 13987), (2758, 11573)]