30905992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6911}}^1$

素因数の和:6973

約数の個数: 32

約数和(自身を含む): 63866880

約数和(自身を除く): 32960888

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 6911, 13822, 27644, 55288, 89843, 179686, 297173, 359372, 594346, 718744, 1188692, 2377384, 3863249, 7726498, 15452996, 30905992]

約数ペア:

[(1, 30905992), (2, 15452996), (4, 7726498), (8, 3863249), (13, 2377384), (26, 1188692), (43, 718744), (52, 594346), (86, 359372), (104, 297173), (172, 179686), (344, 89843), (559, 55288), (1118, 27644), (2236, 13822), (4472, 6911)]