278519161816

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^2\times {\mathrm{83}}^1\times {\mathrm{11887}}^1$

素因数の和:12125

約数の個数: 96

約数和(自身を含む): 612696107520

約数和(自身を除く): 334176945704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 83, 142, 166, 284, 332, 497, 568, 581, 664, 994, 1162, 1988, 2324, 3976, 4648, 5041, 5893, 10082, 11786, 11887, 20164, 23572, 23774, 35287, 40328, 41251, 47144, 47548, 70574, 82502, 83209, 95096, 141148, 165004, 166418, 282296, 330008, 332836, 418403, 665672, 836806, 843977, 986621, 1673612, 1687954, 1973242, 2928821, 3347224, 3375908, 3946484, 5857642, 5907839, 6751816, 6906347, 7892968, 11715284, 11815678, 13812694, 23430568, 23631356, 27625388, 47262712, 55250776, 59922367, 70050091, 119844734, 140100182, 239689468, 280200364, 419456569, 479378936, 490350637, 560400728, 838913138, 980701274, 1677826276, 1961402548, 3355652552, 3922805096, 4973556461, 9947112922, 19894225844, 34814895227, 39788451688, 69629790454, 139259580908, 278519161816]

約数ペア:

[(1, 278519161816), (2, 139259580908), (4, 69629790454), (7, 39788451688), (8, 34814895227), (14, 19894225844), (28, 9947112922), (56, 4973556461), (71, 3922805096), (83, 3355652552), (142, 1961402548), (166, 1677826276), (284, 980701274), (332, 838913138), (497, 560400728), (568, 490350637), (581, 479378936), (664, 419456569), (994, 280200364), (1162, 239689468), (1988, 140100182), (2324, 119844734), (3976, 70050091), (4648, 59922367), (5041, 55250776), (5893, 47262712), (10082, 27625388), (11786, 23631356), (11887, 23430568), (20164, 13812694), (23572, 11815678), (23774, 11715284), (35287, 7892968), (40328, 6906347), (41251, 6751816), (47144, 5907839), (47548, 5857642), (70574, 3946484), (82502, 3375908), (83209, 3347224), (95096, 2928821), (141148, 1973242), (165004, 1687954), (166418, 1673612), (282296, 986621), (330008, 843977), (332836, 836806), (418403, 665672)]