393875690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131731}}^1$

素因数の和:131774

約数の個数: 32

約数和(自身を含む): 796715136

約数和(自身を除く): 402839446

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 131731, 263462, 658655, 1317310, 1712503, 3029813, 3425006, 6059626, 8562515, 15149065, 17125030, 30298130, 39387569, 78775138, 196937845, 393875690]

約数ペア:

[(1, 393875690), (2, 196937845), (5, 78775138), (10, 39387569), (13, 30298130), (23, 17125030), (26, 15149065), (46, 8562515), (65, 6059626), (115, 3425006), (130, 3029813), (230, 1712503), (299, 1317310), (598, 658655), (1495, 263462), (2990, 131731)]