12903966

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 16748514

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 439, 639, 878, 1278, 1317, 1633, 2634, 3266, 3951, 4899, 7902, 9798, 10097, 14697, 20194, 29394, 30291, 31169, 60582, 62338, 90873, 93507, 181746, 187014, 280521, 561042, 716887, 1433774, 2150661, 4301322, 6451983, 12903966]

約数ペア:

[(1, 12903966), (2, 6451983), (3, 4301322), (6, 2150661), (9, 1433774), (18, 716887), (23, 561042), (46, 280521), (69, 187014), (71, 181746), (138, 93507), (142, 90873), (207, 62338), (213, 60582), (414, 31169), (426, 30291), (439, 29394), (639, 20194), (878, 14697), (1278, 10097), (1317, 9798), (1633, 7902), (2634, 4899), (3266, 3951)]