209952484

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{1481}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 432222336

約数和(自身を除く): 222269852

約数列:

[1, 2, 4, 7, 14, 28, 61, 83, 122, 166, 244, 332, 427, 581, 854, 1162, 1481, 1708, 2324, 2962, 5063, 5924, 10126, 10367, 20252, 20734, 35441, 41468, 70882, 90341, 122923, 141764, 180682, 245846, 361364, 491692, 632387, 860461, 1264774, 1720922, 2529548, 3441844, 7498303, 14996606, 29993212, 52488121, 104976242, 209952484]

約数ペア:

[(1, 209952484), (2, 104976242), (4, 52488121), (7, 29993212), (14, 14996606), (28, 7498303), (61, 3441844), (83, 2529548), (122, 1720922), (166, 1264774), (244, 860461), (332, 632387), (427, 491692), (581, 361364), (854, 245846), (1162, 180682), (1481, 141764), (1708, 122923), (2324, 90341), (2962, 70882), (5063, 41468), (5924, 35441), (10126, 20734), (10367, 20252)]