28153388

素因数分解:

$2^2\times {\mathrm{41}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 52103520

約数和(自身を除く): 23950132

約数列:

[1, 2, 4, 41, 53, 79, 82, 106, 158, 164, 212, 316, 1681, 2173, 3239, 3362, 4187, 4346, 6478, 6724, 8374, 8692, 12956, 16748, 89093, 132799, 171667, 178186, 265598, 343334, 356372, 531196, 686668, 7038347, 14076694, 28153388]

約数ペア:

[(1, 28153388), (2, 14076694), (4, 7038347), (41, 686668), (53, 531196), (79, 356372), (82, 343334), (106, 265598), (158, 178186), (164, 171667), (212, 132799), (316, 89093), (1681, 16748), (2173, 12956), (3239, 8692), (3362, 8374), (4187, 6724), (4346, 6478)]