217465982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{64301}}^1$

素因数の和:64411

約数の個数: 16

約数和(自身を含む): 347230800

約数和(自身を除く): 129764818

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 64301, 128602, 1221719, 2443438, 5722789, 11445578, 108732991, 217465982]

約数ペア:

[(1, 217465982), (2, 108732991), (19, 11445578), (38, 5722789), (89, 2443438), (178, 1221719), (1691, 128602), (3382, 64301)]