331324292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2172

約数の個数: 48

約数和(自身を含む): 656584320

約数和(自身を除く): 325260028

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 139, 278, 299, 556, 598, 1196, 1807, 1993, 3197, 3614, 3986, 6394, 7228, 7972, 12788, 25909, 41561, 45839, 51818, 83122, 91678, 103636, 166244, 183356, 277027, 554054, 595907, 1108108, 1191814, 2383628, 3601351, 6371621, 7202702, 12743242, 14405404, 25486484, 82831073, 165662146, 331324292]

約数ペア:

[(1, 331324292), (2, 165662146), (4, 82831073), (13, 25486484), (23, 14405404), (26, 12743242), (46, 7202702), (52, 6371621), (92, 3601351), (139, 2383628), (278, 1191814), (299, 1108108), (556, 595907), (598, 554054), (1196, 277027), (1807, 183356), (1993, 166244), (3197, 103636), (3614, 91678), (3986, 83122), (6394, 51818), (7228, 45839), (7972, 41561), (12788, 25909)]