8728156948

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{1709}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 18077955840

約数和(自身を除く): 9349798892

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 367, 497, 734, 994, 1468, 1709, 1988, 2569, 3418, 3479, 5138, 6836, 6958, 10276, 11963, 13916, 17983, 23926, 26057, 35966, 47852, 52114, 71932, 83741, 104228, 121339, 167482, 182399, 242678, 334964, 364798, 485356, 627203, 729596, 849373, 1254406, 1276793, 1698746, 2508812, 2553586, 3397492, 4390421, 5107172, 5945611, 8780842, 11891222, 17561684, 23782444, 30732947, 44531413, 61465894, 89062826, 122931788, 178125652, 311719891, 623439782, 1246879564, 2182039237, 4364078474, 8728156948]

約数ペア:

[(1, 8728156948), (2, 4364078474), (4, 2182039237), (7, 1246879564), (14, 623439782), (28, 311719891), (49, 178125652), (71, 122931788), (98, 89062826), (142, 61465894), (196, 44531413), (284, 30732947), (367, 23782444), (497, 17561684), (734, 11891222), (994, 8780842), (1468, 5945611), (1709, 5107172), (1988, 4390421), (2569, 3397492), (3418, 2553586), (3479, 2508812), (5138, 1698746), (6836, 1276793), (6958, 1254406), (10276, 849373), (11963, 729596), (13916, 627203), (17983, 485356), (23926, 364798), (26057, 334964), (35966, 242678), (47852, 182399), (52114, 167482), (71932, 121339), (83741, 104228)]