256565372

素因数分解:

$2^2\times 7^3\times {\mathrm{41}}^1\times {\mathrm{4561}}^1$

素因数の和:4627

約数の個数: 48

約数和(自身を含む): 536491200

約数和(自身を除く): 279925828

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 343, 574, 686, 1148, 1372, 2009, 4018, 4561, 8036, 9122, 14063, 18244, 28126, 31927, 56252, 63854, 127708, 187001, 223489, 374002, 446978, 748004, 893956, 1309007, 1564423, 2618014, 3128846, 5236028, 6257692, 9163049, 18326098, 36652196, 64141343, 128282686, 256565372]

約数ペア:

[(1, 256565372), (2, 128282686), (4, 64141343), (7, 36652196), (14, 18326098), (28, 9163049), (41, 6257692), (49, 5236028), (82, 3128846), (98, 2618014), (164, 1564423), (196, 1309007), (287, 893956), (343, 748004), (574, 446978), (686, 374002), (1148, 223489), (1372, 187001), (2009, 127708), (4018, 63854), (4561, 56252), (8036, 31927), (9122, 28126), (14063, 18244)]