16956890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:374

約数の個数: 32

約数和(自身を含む): 31314816

約数和(自身を除く): 14357926

約数列:

[1, 2, 5, 10, 101, 103, 163, 202, 206, 326, 505, 515, 815, 1010, 1030, 1630, 10403, 16463, 16789, 20806, 32926, 33578, 52015, 82315, 83945, 104030, 164630, 167890, 1695689, 3391378, 8478445, 16956890]

約数ペア:

[(1, 16956890), (2, 8478445), (5, 3391378), (10, 1695689), (101, 167890), (103, 164630), (163, 104030), (202, 83945), (206, 82315), (326, 52015), (505, 33578), (515, 32926), (815, 20806), (1010, 16789), (1030, 16463), (1630, 10403)]