68635448

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 156038400

約数和(自身を除く): 87402952

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 251, 257, 266, 502, 514, 532, 1004, 1028, 1064, 1757, 1799, 2008, 2056, 3514, 3598, 4769, 4883, 7028, 7196, 9538, 9766, 14056, 14392, 19076, 19532, 33383, 34181, 38152, 39064, 64507, 66766, 68362, 129014, 133532, 136724, 258028, 267064, 273448, 451549, 516056, 903098, 1225633, 1806196, 2451266, 3612392, 4902532, 8579431, 9805064, 17158862, 34317724, 68635448]

約数ペア:

[(1, 68635448), (2, 34317724), (4, 17158862), (7, 9805064), (8, 8579431), (14, 4902532), (19, 3612392), (28, 2451266), (38, 1806196), (56, 1225633), (76, 903098), (133, 516056), (152, 451549), (251, 273448), (257, 267064), (266, 258028), (502, 136724), (514, 133532), (532, 129014), (1004, 68362), (1028, 66766), (1064, 64507), (1757, 39064), (1799, 38152), (2008, 34181), (2056, 33383), (3514, 19532), (3598, 19076), (4769, 14392), (4883, 14056), (7028, 9766), (7196, 9538)]