81262468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1483}}^1$

素因数の和:1616

約数の個数: 48

約数和(自身を含む): 172856320

約数和(自身を除く): 91593852

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 532, 721, 1442, 1483, 1957, 2884, 2966, 3914, 5932, 7828, 10381, 13699, 20762, 27398, 28177, 41524, 54796, 56354, 112708, 152749, 197239, 305498, 394478, 610996, 788956, 1069243, 2138486, 2902231, 4276972, 5804462, 11608924, 20315617, 40631234, 81262468]

約数ペア:

[(1, 81262468), (2, 40631234), (4, 20315617), (7, 11608924), (14, 5804462), (19, 4276972), (28, 2902231), (38, 2138486), (76, 1069243), (103, 788956), (133, 610996), (206, 394478), (266, 305498), (412, 197239), (532, 152749), (721, 112708), (1442, 56354), (1483, 54796), (1957, 41524), (2884, 28177), (2966, 27398), (3914, 20762), (5932, 13699), (7828, 10381)]