1388890128

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{348617}}^1$

素因数の和:348711

約数の個数: 40

約数和(自身を含む): 3631205088

約数和(自身を除く): 2242314960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 348617, 697234, 1045851, 1394468, 2091702, 2788936, 4183404, 5577872, 8366808, 16733616, 28935211, 57870422, 86805633, 115740844, 173611266, 231481688, 347222532, 462963376, 694445064, 1388890128]

約数ペア:

[(1, 1388890128), (2, 694445064), (3, 462963376), (4, 347222532), (6, 231481688), (8, 173611266), (12, 115740844), (16, 86805633), (24, 57870422), (48, 28935211), (83, 16733616), (166, 8366808), (249, 5577872), (332, 4183404), (498, 2788936), (664, 2091702), (996, 1394468), (1328, 1045851), (1992, 697234), (3984, 348617)]