28154056

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 62657280

約数和(自身を除く): 34503224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 73, 97, 142, 146, 194, 284, 292, 388, 497, 511, 568, 584, 679, 776, 994, 1022, 1358, 1988, 2044, 2716, 3976, 4088, 5183, 5432, 6887, 7081, 10366, 13774, 14162, 20732, 27548, 28324, 36281, 41464, 48209, 49567, 55096, 56648, 72562, 96418, 99134, 145124, 192836, 198268, 290248, 385672, 396536, 502751, 1005502, 2011004, 3519257, 4022008, 7038514, 14077028, 28154056]

約数ペア:

[(1, 28154056), (2, 14077028), (4, 7038514), (7, 4022008), (8, 3519257), (14, 2011004), (28, 1005502), (56, 502751), (71, 396536), (73, 385672), (97, 290248), (142, 198268), (146, 192836), (194, 145124), (284, 99134), (292, 96418), (388, 72562), (497, 56648), (511, 55096), (568, 49567), (584, 48209), (679, 41464), (776, 36281), (994, 28324), (1022, 27548), (1358, 20732), (1988, 14162), (2044, 13774), (2716, 10366), (3976, 7081), (4088, 6887), (5183, 5432)]