208603964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 396184320

約数和(自身を除く): 187580356

約数列:

[1, 2, 4, 19, 38, 67, 71, 76, 134, 142, 268, 284, 577, 1154, 1273, 1349, 2308, 2546, 2698, 4757, 5092, 5396, 9514, 10963, 19028, 21926, 38659, 40967, 43852, 77318, 81934, 90383, 154636, 163868, 180766, 361532, 734521, 778373, 1469042, 1556746, 2744789, 2938084, 3113492, 5489578, 10979156, 52150991, 104301982, 208603964]

約数ペア:

[(1, 208603964), (2, 104301982), (4, 52150991), (19, 10979156), (38, 5489578), (67, 3113492), (71, 2938084), (76, 2744789), (134, 1556746), (142, 1469042), (268, 778373), (284, 734521), (577, 361532), (1154, 180766), (1273, 163868), (1349, 154636), (2308, 90383), (2546, 81934), (2698, 77318), (4757, 43852), (5092, 40967), (5396, 38659), (9514, 21926), (10963, 19028)]