331352168

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 807667200

約数和(自身を除く): 476315032

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 37, 46, 56, 68, 74, 92, 119, 136, 148, 161, 184, 238, 259, 296, 322, 391, 409, 476, 518, 629, 644, 782, 818, 851, 952, 1036, 1258, 1288, 1564, 1636, 1702, 2072, 2516, 2737, 2863, 3128, 3272, 3404, 4403, 5032, 5474, 5726, 5957, 6808, 6953, 8806, 9407, 10948, 11452, 11914, 13906, 14467, 15133, 17612, 18814, 21896, 22904, 23828, 27812, 28934, 30266, 35224, 37628, 47656, 48671, 55624, 57868, 60532, 65849, 75256, 97342, 101269, 105931, 115736, 121064, 131698, 159919, 194684, 202538, 211862, 257261, 263396, 319838, 348059, 389368, 405076, 423724, 514522, 526792, 639676, 696118, 810152, 847448, 1029044, 1119433, 1279352, 1392236, 1800827, 2058088, 2238866, 2436413, 2784472, 3601654, 4477732, 4872826, 5917003, 7203308, 8955464, 9745652, 11834006, 14406616, 19491304, 23668012, 41419021, 47336024, 82838042, 165676084, 331352168]

約数ペア:

[(1, 331352168), (2, 165676084), (4, 82838042), (7, 47336024), (8, 41419021), (14, 23668012), (17, 19491304), (23, 14406616), (28, 11834006), (34, 9745652), (37, 8955464), (46, 7203308), (56, 5917003), (68, 4872826), (74, 4477732), (92, 3601654), (119, 2784472), (136, 2436413), (148, 2238866), (161, 2058088), (184, 1800827), (238, 1392236), (259, 1279352), (296, 1119433), (322, 1029044), (391, 847448), (409, 810152), (476, 696118), (518, 639676), (629, 526792), (644, 514522), (782, 423724), (818, 405076), (851, 389368), (952, 348059), (1036, 319838), (1258, 263396), (1288, 257261), (1564, 211862), (1636, 202538), (1702, 194684), (2072, 159919), (2516, 131698), (2737, 121064), (2863, 115736), (3128, 105931), (3272, 101269), (3404, 97342), (4403, 75256), (5032, 65849), (5474, 60532), (5726, 57868), (5957, 55624), (6808, 48671), (6953, 47656), (8806, 37628), (9407, 35224), (10948, 30266), (11452, 28934), (11914, 27812), (13906, 23828), (14467, 22904), (15133, 21896), (17612, 18814)]