1291027504

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1999

約数の個数: 80

約数和(自身を含む): 2853810400

約数和(自身を除く): 1562782896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 494, 676, 988, 1352, 1933, 1976, 2197, 2704, 3211, 3866, 3952, 4394, 6422, 7732, 8788, 12844, 15464, 17576, 25129, 25688, 30928, 35152, 36727, 41743, 50258, 51376, 73454, 83486, 100516, 146908, 166972, 201032, 293816, 326677, 333944, 402064, 477451, 587632, 653354, 667888, 954902, 1306708, 1909804, 2613416, 3819608, 4246801, 5226832, 6206863, 7639216, 8493602, 12413726, 16987204, 24827452, 33974408, 49654904, 67948816, 80689219, 99309808, 161378438, 322756876, 645513752, 1291027504]

約数ペア:

[(1, 1291027504), (2, 645513752), (4, 322756876), (8, 161378438), (13, 99309808), (16, 80689219), (19, 67948816), (26, 49654904), (38, 33974408), (52, 24827452), (76, 16987204), (104, 12413726), (152, 8493602), (169, 7639216), (208, 6206863), (247, 5226832), (304, 4246801), (338, 3819608), (494, 2613416), (676, 1909804), (988, 1306708), (1352, 954902), (1933, 667888), (1976, 653354), (2197, 587632), (2704, 477451), (3211, 402064), (3866, 333944), (3952, 326677), (4394, 293816), (6422, 201032), (7732, 166972), (8788, 146908), (12844, 100516), (15464, 83486), (17576, 73454), (25129, 51376), (25688, 50258), (30928, 41743), (35152, 36727)]