277686972

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 713032320

約数和(自身を除く): 435345348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 211, 263, 278, 417, 422, 526, 556, 633, 789, 834, 844, 1052, 1251, 1266, 1578, 1668, 1899, 2367, 2502, 2532, 3156, 3798, 4734, 5004, 7596, 9468, 29329, 36557, 55493, 58658, 73114, 87987, 109671, 110986, 117316, 146228, 166479, 175974, 219342, 221972, 263961, 329013, 332958, 351948, 438684, 499437, 527922, 658026, 665916, 998874, 1055844, 1316052, 1997748, 7713527, 15427054, 23140581, 30854108, 46281162, 69421743, 92562324, 138843486, 277686972]

約数ペア:

[(1, 277686972), (2, 138843486), (3, 92562324), (4, 69421743), (6, 46281162), (9, 30854108), (12, 23140581), (18, 15427054), (36, 7713527), (139, 1997748), (211, 1316052), (263, 1055844), (278, 998874), (417, 665916), (422, 658026), (526, 527922), (556, 499437), (633, 438684), (789, 351948), (834, 332958), (844, 329013), (1052, 263961), (1251, 221972), (1266, 219342), (1578, 175974), (1668, 166479), (1899, 146228), (2367, 117316), (2502, 110986), (2532, 109671), (3156, 87987), (3798, 73114), (4734, 58658), (5004, 55493), (7596, 36557), (9468, 29329)]