128431352

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 293887440

約数和(自身を除く): 165456088

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 61, 82, 98, 122, 131, 164, 196, 244, 262, 287, 328, 392, 427, 488, 524, 574, 854, 917, 1048, 1148, 1708, 1834, 2009, 2296, 2501, 2989, 3416, 3668, 4018, 5002, 5371, 5978, 6419, 7336, 7991, 8036, 10004, 10742, 11956, 12838, 15982, 16072, 17507, 20008, 21484, 23912, 25676, 31964, 35014, 37597, 42968, 51352, 55937, 63928, 70028, 75194, 111874, 122549, 140056, 150388, 223748, 245098, 263179, 300776, 327631, 391559, 447496, 490196, 526358, 655262, 783118, 980392, 1052716, 1310524, 1566236, 2105432, 2293417, 2621048, 3132472, 4586834, 9173668, 16053919, 18347336, 32107838, 64215676, 128431352]

約数ペア:

[(1, 128431352), (2, 64215676), (4, 32107838), (7, 18347336), (8, 16053919), (14, 9173668), (28, 4586834), (41, 3132472), (49, 2621048), (56, 2293417), (61, 2105432), (82, 1566236), (98, 1310524), (122, 1052716), (131, 980392), (164, 783118), (196, 655262), (244, 526358), (262, 490196), (287, 447496), (328, 391559), (392, 327631), (427, 300776), (488, 263179), (524, 245098), (574, 223748), (854, 150388), (917, 140056), (1048, 122549), (1148, 111874), (1708, 75194), (1834, 70028), (2009, 63928), (2296, 55937), (2501, 51352), (2989, 42968), (3416, 37597), (3668, 35014), (4018, 31964), (5002, 25676), (5371, 23912), (5978, 21484), (6419, 20008), (7336, 17507), (7991, 16072), (8036, 15982), (10004, 12838), (10742, 11956)]