721841172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107609}}^1$

素因数の和:107672

約数の個数: 48

約数和(自身を含む): 1856057280

約数和(自身を除く): 1134216108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3354, 6708, 107609, 215218, 322827, 430436, 645654, 1291308, 1398917, 2797834, 4196751, 4627187, 5595668, 8393502, 9254374, 13881561, 16787004, 18508748, 27763122, 55526244, 60153431, 120306862, 180460293, 240613724, 360920586, 721841172]

約数ペア:

[(1, 721841172), (2, 360920586), (3, 240613724), (4, 180460293), (6, 120306862), (12, 60153431), (13, 55526244), (26, 27763122), (39, 18508748), (43, 16787004), (52, 13881561), (78, 9254374), (86, 8393502), (129, 5595668), (156, 4627187), (172, 4196751), (258, 2797834), (516, 1398917), (559, 1291308), (1118, 645654), (1677, 430436), (2236, 322827), (3354, 215218), (6708, 107609)]