668429006

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 1258782720

約数和(自身を除く): 590353714

約数列:

[1, 2, 7, 14, 19, 31, 38, 62, 103, 133, 206, 217, 266, 434, 589, 721, 787, 1178, 1442, 1574, 1957, 3193, 3914, 4123, 5509, 6386, 8246, 11018, 13699, 14953, 22351, 24397, 27398, 29906, 44702, 48794, 60667, 81061, 104671, 121334, 162122, 170779, 209342, 341558, 424669, 463543, 567427, 849338, 927086, 1134854, 1540159, 2512891, 3080318, 3244801, 5025782, 6489602, 10781113, 17590237, 21562226, 35180474, 47744929, 95489858, 334214503, 668429006]

約数ペア:

[(1, 668429006), (2, 334214503), (7, 95489858), (14, 47744929), (19, 35180474), (31, 21562226), (38, 17590237), (62, 10781113), (103, 6489602), (133, 5025782), (206, 3244801), (217, 3080318), (266, 2512891), (434, 1540159), (589, 1134854), (721, 927086), (787, 849338), (1178, 567427), (1442, 463543), (1574, 424669), (1957, 341558), (3193, 209342), (3914, 170779), (4123, 162122), (5509, 121334), (6386, 104671), (8246, 81061), (11018, 60667), (13699, 48794), (14953, 44702), (22351, 29906), (24397, 27398)]