28205212

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 58705920

約数和(自身を除く): 30500708

約数列:

[1, 2, 4, 7, 14, 28, 41, 79, 82, 158, 164, 287, 311, 316, 553, 574, 622, 1106, 1148, 1244, 2177, 2212, 3239, 4354, 6478, 8708, 12751, 12956, 22673, 24569, 25502, 45346, 49138, 51004, 89257, 90692, 98276, 171983, 178514, 343966, 357028, 687932, 1007329, 2014658, 4029316, 7051303, 14102606, 28205212]

約数ペア:

[(1, 28205212), (2, 14102606), (4, 7051303), (7, 4029316), (14, 2014658), (28, 1007329), (41, 687932), (79, 357028), (82, 343966), (158, 178514), (164, 171983), (287, 98276), (311, 90692), (316, 89257), (553, 51004), (574, 49138), (622, 45346), (1106, 25502), (1148, 24569), (1244, 22673), (2177, 12956), (2212, 12751), (3239, 8708), (4354, 6478)]