1311492784

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:415

約数の個数: 120

約数和(自身を含む): 3099206400

約数和(自身を除く): 1787713616

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 163, 199, 266, 304, 326, 361, 398, 532, 652, 722, 796, 1064, 1141, 1304, 1393, 1444, 1592, 2128, 2282, 2527, 2608, 2786, 2888, 3097, 3184, 3781, 4564, 5054, 5572, 5776, 6194, 7562, 9128, 10108, 11144, 12388, 15124, 18256, 20216, 21679, 22288, 24776, 26467, 30248, 32437, 40432, 43358, 49552, 52934, 58843, 60496, 64874, 71839, 86716, 105868, 117686, 129748, 143678, 173432, 211736, 227059, 235372, 259496, 287356, 346864, 411901, 423472, 454118, 470744, 502873, 518992, 574712, 616303, 823802, 908236, 941488, 1005746, 1149424, 1232606, 1647604, 1816472, 2011492, 2465212, 3295208, 3632944, 4022984, 4314121, 4930424, 6590416, 8045968, 8628242, 9860848, 11709757, 17256484, 23419514, 34512968, 46839028, 69025936, 81968299, 93678056, 163936598, 187356112, 327873196, 655746392, 1311492784]

約数ペア:

[(1, 1311492784), (2, 655746392), (4, 327873196), (7, 187356112), (8, 163936598), (14, 93678056), (16, 81968299), (19, 69025936), (28, 46839028), (38, 34512968), (56, 23419514), (76, 17256484), (112, 11709757), (133, 9860848), (152, 8628242), (163, 8045968), (199, 6590416), (266, 4930424), (304, 4314121), (326, 4022984), (361, 3632944), (398, 3295208), (532, 2465212), (652, 2011492), (722, 1816472), (796, 1647604), (1064, 1232606), (1141, 1149424), (1304, 1005746), (1393, 941488), (1444, 908236), (1592, 823802), (2128, 616303), (2282, 574712), (2527, 518992), (2608, 502873), (2786, 470744), (2888, 454118), (3097, 423472), (3184, 411901), (3781, 346864), (4564, 287356), (5054, 259496), (5572, 235372), (5776, 227059), (6194, 211736), (7562, 173432), (9128, 143678), (10108, 129748), (11144, 117686), (12388, 105868), (15124, 86716), (18256, 71839), (20216, 64874), (21679, 60496), (22288, 58843), (24776, 52934), (26467, 49552), (30248, 43358), (32437, 40432)]