640964982

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{2903}}^1$

素因数の和:3673

約数の個数: 48

約数和(自身を含む): 1493724672

約数和(自身を除く): 852759690

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 751, 1502, 2253, 2903, 4506, 5257, 5806, 8709, 10514, 15771, 17418, 20321, 31542, 36799, 40642, 60963, 73598, 110397, 121926, 142247, 220794, 284494, 426741, 853482, 2180153, 4360306, 6540459, 13080918, 15261071, 30522142, 45783213, 91566426, 106827497, 213654994, 320482491, 640964982]

約数ペア:

[(1, 640964982), (2, 320482491), (3, 213654994), (6, 106827497), (7, 91566426), (14, 45783213), (21, 30522142), (42, 15261071), (49, 13080918), (98, 6540459), (147, 4360306), (294, 2180153), (751, 853482), (1502, 426741), (2253, 284494), (2903, 220794), (4506, 142247), (5257, 121926), (5806, 110397), (8709, 73598), (10514, 60963), (15771, 40642), (17418, 36799), (20321, 31542)]