81062268

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1549}}^1$

素因数の和:1659

約数の個数: 72

約数和(自身を含む): 222642000

約数和(自身を除く): 141579732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 89, 98, 147, 178, 196, 267, 294, 356, 534, 588, 623, 1068, 1246, 1549, 1869, 2492, 3098, 3738, 4361, 4647, 6196, 7476, 8722, 9294, 10843, 13083, 17444, 18588, 21686, 26166, 32529, 43372, 52332, 65058, 75901, 130116, 137861, 151802, 227703, 275722, 303604, 413583, 455406, 551444, 827166, 910812, 965027, 1654332, 1930054, 2895081, 3860108, 5790162, 6755189, 11580324, 13510378, 20265567, 27020756, 40531134, 81062268]

約数ペア:

[(1, 81062268), (2, 40531134), (3, 27020756), (4, 20265567), (6, 13510378), (7, 11580324), (12, 6755189), (14, 5790162), (21, 3860108), (28, 2895081), (42, 1930054), (49, 1654332), (84, 965027), (89, 910812), (98, 827166), (147, 551444), (178, 455406), (196, 413583), (267, 303604), (294, 275722), (356, 227703), (534, 151802), (588, 137861), (623, 130116), (1068, 75901), (1246, 65058), (1549, 52332), (1869, 43372), (2492, 32529), (3098, 26166), (3738, 21686), (4361, 18588), (4647, 17444), (6196, 13083), (7476, 10843), (8722, 9294)]