245298726

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{631}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 571530240

約数和(自身を除く): 326231514

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 313, 414, 621, 626, 631, 939, 1242, 1262, 1878, 1893, 2817, 3786, 5634, 5679, 7199, 8451, 11358, 14398, 14513, 16902, 17037, 21597, 29026, 34074, 43194, 43539, 64791, 87078, 129582, 130617, 194373, 197503, 261234, 388746, 391851, 395006, 592509, 783702, 1185018, 1777527, 3555054, 4542569, 5332581, 9085138, 10665162, 13627707, 27255414, 40883121, 81766242, 122649363, 245298726]

約数ペア:

[(1, 245298726), (2, 122649363), (3, 81766242), (6, 40883121), (9, 27255414), (18, 13627707), (23, 10665162), (27, 9085138), (46, 5332581), (54, 4542569), (69, 3555054), (138, 1777527), (207, 1185018), (313, 783702), (414, 592509), (621, 395006), (626, 391851), (631, 388746), (939, 261234), (1242, 197503), (1262, 194373), (1878, 130617), (1893, 129582), (2817, 87078), (3786, 64791), (5634, 43539), (5679, 43194), (7199, 34074), (8451, 29026), (11358, 21597), (14398, 17037), (14513, 16902)]