81274144

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3049}}^1$

素因数の和:3090

約数の個数: 72

約数和(自身を含む): 197145900

約数和(自身を除く): 115871756

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 68, 98, 112, 119, 136, 196, 224, 238, 272, 392, 476, 544, 784, 833, 952, 1568, 1666, 1904, 3049, 3332, 3808, 6098, 6664, 12196, 13328, 21343, 24392, 26656, 42686, 48784, 51833, 85372, 97568, 103666, 149401, 170744, 207332, 298802, 341488, 362831, 414664, 597604, 682976, 725662, 829328, 1195208, 1451324, 1658656, 2390416, 2539817, 2902648, 4780832, 5079634, 5805296, 10159268, 11610592, 20318536, 40637072, 81274144]

約数ペア:

[(1, 81274144), (2, 40637072), (4, 20318536), (7, 11610592), (8, 10159268), (14, 5805296), (16, 5079634), (17, 4780832), (28, 2902648), (32, 2539817), (34, 2390416), (49, 1658656), (56, 1451324), (68, 1195208), (98, 829328), (112, 725662), (119, 682976), (136, 597604), (196, 414664), (224, 362831), (238, 341488), (272, 298802), (392, 207332), (476, 170744), (544, 149401), (784, 103666), (833, 97568), (952, 85372), (1568, 51833), (1666, 48784), (1904, 42686), (3049, 26656), (3332, 24392), (3808, 21343), (6098, 13328), (6664, 12196)]