42666328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 89056800

約数和(自身を除く): 46390472

約数列:

[1, 2, 4, 8, 17, 34, 37, 61, 68, 74, 122, 136, 139, 148, 244, 278, 296, 488, 556, 629, 1037, 1112, 1258, 2074, 2257, 2363, 2516, 4148, 4514, 4726, 5032, 5143, 8296, 8479, 9028, 9452, 10286, 16958, 18056, 18904, 20572, 33916, 38369, 41144, 67832, 76738, 87431, 144143, 153476, 174862, 288286, 306952, 313723, 349724, 576572, 627446, 699448, 1153144, 1254892, 2509784, 5333291, 10666582, 21333164, 42666328]

約数ペア:

[(1, 42666328), (2, 21333164), (4, 10666582), (8, 5333291), (17, 2509784), (34, 1254892), (37, 1153144), (61, 699448), (68, 627446), (74, 576572), (122, 349724), (136, 313723), (139, 306952), (148, 288286), (244, 174862), (278, 153476), (296, 144143), (488, 87431), (556, 76738), (629, 67832), (1037, 41144), (1112, 38369), (1258, 33916), (2074, 20572), (2257, 18904), (2363, 18056), (2516, 16958), (4148, 10286), (4514, 9452), (4726, 9028), (5032, 8479), (5143, 8296)]