818267885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{857}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 1067489280

約数和(自身を除く): 249221395

約数列:

[1, 5, 17, 47, 85, 235, 239, 799, 857, 1195, 3995, 4063, 4285, 11233, 14569, 20315, 40279, 56165, 72845, 190961, 201395, 204823, 684743, 954805, 1024115, 3423715, 3481991, 9626681, 17409955, 48133405, 163653577, 818267885]

約数ペア:

[(1, 818267885), (5, 163653577), (17, 48133405), (47, 17409955), (85, 9626681), (235, 3481991), (239, 3423715), (799, 1024115), (857, 954805), (1195, 684743), (3995, 204823), (4063, 201395), (4285, 190961), (11233, 72845), (14569, 56165), (20315, 40279)]