256248756

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2383}}^1$

素因数の和:2525

約数の個数: 72

約数和(自身を含む): 676865280

約数和(自身を除く): 420616524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 103, 116, 174, 206, 261, 309, 348, 412, 522, 618, 927, 1044, 1236, 1854, 2383, 2987, 3708, 4766, 5974, 7149, 8961, 9532, 11948, 14298, 17922, 21447, 26883, 28596, 35844, 42894, 53766, 69107, 85788, 107532, 138214, 207321, 245449, 276428, 414642, 490898, 621963, 736347, 829284, 981796, 1243926, 1472694, 2209041, 2487852, 2945388, 4418082, 7118021, 8836164, 14236042, 21354063, 28472084, 42708126, 64062189, 85416252, 128124378, 256248756]

約数ペア:

[(1, 256248756), (2, 128124378), (3, 85416252), (4, 64062189), (6, 42708126), (9, 28472084), (12, 21354063), (18, 14236042), (29, 8836164), (36, 7118021), (58, 4418082), (87, 2945388), (103, 2487852), (116, 2209041), (174, 1472694), (206, 1243926), (261, 981796), (309, 829284), (348, 736347), (412, 621963), (522, 490898), (618, 414642), (927, 276428), (1044, 245449), (1236, 207321), (1854, 138214), (2383, 107532), (2987, 85788), (3708, 69107), (4766, 53766), (5974, 42894), (7149, 35844), (8961, 28596), (9532, 26883), (11948, 21447), (14298, 17922)]