81384948

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 216111168

約数和(自身を除く): 134726220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 227, 276, 414, 433, 454, 681, 828, 866, 908, 1299, 1362, 1732, 2043, 2598, 2724, 3897, 4086, 5196, 5221, 7794, 8172, 9959, 10442, 15588, 15663, 19918, 20884, 29877, 31326, 39836, 46989, 59754, 62652, 89631, 93978, 98291, 119508, 179262, 187956, 196582, 294873, 358524, 393164, 589746, 884619, 1179492, 1769238, 2260693, 3538476, 4521386, 6782079, 9042772, 13564158, 20346237, 27128316, 40692474, 81384948]

約数ペア:

[(1, 81384948), (2, 40692474), (3, 27128316), (4, 20346237), (6, 13564158), (9, 9042772), (12, 6782079), (18, 4521386), (23, 3538476), (36, 2260693), (46, 1769238), (69, 1179492), (92, 884619), (138, 589746), (207, 393164), (227, 358524), (276, 294873), (414, 196582), (433, 187956), (454, 179262), (681, 119508), (828, 98291), (866, 93978), (908, 89631), (1299, 62652), (1362, 59754), (1732, 46989), (2043, 39836), (2598, 31326), (2724, 29877), (3897, 20884), (4086, 19918), (5196, 15663), (5221, 15588), (7794, 10442), (8172, 9959)]