25509248

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 56732400

約数和(自身を除く): 31223152

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 544, 608, 617, 646, 1088, 1216, 1234, 1292, 2176, 2432, 2468, 2584, 4936, 5168, 9872, 10336, 10489, 11723, 19744, 20672, 20978, 23446, 39488, 41344, 41956, 46892, 78976, 83912, 93784, 167824, 187568, 199291, 335648, 375136, 398582, 671296, 750272, 797164, 1342592, 1500544, 1594328, 3188656, 6377312, 12754624, 25509248]

約数ペア:

[(1, 25509248), (2, 12754624), (4, 6377312), (8, 3188656), (16, 1594328), (17, 1500544), (19, 1342592), (32, 797164), (34, 750272), (38, 671296), (64, 398582), (68, 375136), (76, 335648), (128, 199291), (136, 187568), (152, 167824), (272, 93784), (304, 83912), (323, 78976), (544, 46892), (608, 41956), (617, 41344), (646, 39488), (1088, 23446), (1216, 20978), (1234, 20672), (1292, 19744), (2176, 11723), (2432, 10489), (2468, 10336), (2584, 9872), (4936, 5168)]