64215676

素因数分解:

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

素因数の和:251

約数の個数: 72

約数和(自身を含む): 137147472

約数和(自身を除く): 72931796

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 61, 82, 98, 122, 131, 164, 196, 244, 262, 287, 427, 524, 574, 854, 917, 1148, 1708, 1834, 2009, 2501, 2989, 3668, 4018, 5002, 5371, 5978, 6419, 7991, 8036, 10004, 10742, 11956, 12838, 15982, 17507, 21484, 25676, 31964, 35014, 37597, 55937, 70028, 75194, 111874, 122549, 150388, 223748, 245098, 263179, 327631, 391559, 490196, 526358, 655262, 783118, 1052716, 1310524, 1566236, 2293417, 4586834, 9173668, 16053919, 32107838, 64215676]

約数ペア:

[(1, 64215676), (2, 32107838), (4, 16053919), (7, 9173668), (14, 4586834), (28, 2293417), (41, 1566236), (49, 1310524), (61, 1052716), (82, 783118), (98, 655262), (122, 526358), (131, 490196), (164, 391559), (196, 327631), (244, 263179), (262, 245098), (287, 223748), (427, 150388), (524, 122549), (574, 111874), (854, 75194), (917, 70028), (1148, 55937), (1708, 37597), (1834, 35014), (2009, 31964), (2501, 25676), (2989, 21484), (3668, 17507), (4018, 15982), (5002, 12838), (5371, 11956), (5978, 10742), (6419, 10004), (7991, 8036)]