211223528

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{2843}}^1$

素因数の和:3137

約数の個数: 32

約数和(自身を含む): 408512160

約数和(自身を除く): 197288632

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 502, 1004, 2008, 2843, 5686, 9287, 11372, 18574, 22744, 37148, 74296, 105191, 210382, 420764, 713593, 841528, 1427186, 2854372, 5708744, 26402941, 52805882, 105611764, 211223528]

約数ペア:

[(1, 211223528), (2, 105611764), (4, 52805882), (8, 26402941), (37, 5708744), (74, 2854372), (148, 1427186), (251, 841528), (296, 713593), (502, 420764), (1004, 210382), (2008, 105191), (2843, 74296), (5686, 37148), (9287, 22744), (11372, 18574)]