251115696

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2611

約数の個数: 120

約数和(自身を含む): 771419376

約数和(自身を除く): 520303680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 53, 72, 78, 104, 106, 117, 144, 156, 159, 208, 212, 234, 312, 318, 424, 468, 477, 624, 636, 689, 848, 936, 954, 1272, 1378, 1872, 1908, 2067, 2531, 2544, 2756, 3816, 4134, 5062, 5512, 6201, 7593, 7632, 8268, 10124, 11024, 12402, 15186, 16536, 20248, 22779, 24804, 30372, 32903, 33072, 40496, 45558, 49608, 60744, 65806, 91116, 98709, 99216, 121488, 131612, 134143, 182232, 197418, 263224, 268286, 296127, 364464, 394836, 402429, 526448, 536572, 592254, 789672, 804858, 1073144, 1184508, 1207287, 1579344, 1609716, 1743859, 2146288, 2369016, 2414574, 3219432, 3487718, 4738032, 4829148, 5231577, 6438864, 6975436, 9658296, 10463154, 13950872, 15694731, 19316592, 20926308, 27901744, 31389462, 41852616, 62778924, 83705232, 125557848, 251115696]

約数ペア:

[(1, 251115696), (2, 125557848), (3, 83705232), (4, 62778924), (6, 41852616), (8, 31389462), (9, 27901744), (12, 20926308), (13, 19316592), (16, 15694731), (18, 13950872), (24, 10463154), (26, 9658296), (36, 6975436), (39, 6438864), (48, 5231577), (52, 4829148), (53, 4738032), (72, 3487718), (78, 3219432), (104, 2414574), (106, 2369016), (117, 2146288), (144, 1743859), (156, 1609716), (159, 1579344), (208, 1207287), (212, 1184508), (234, 1073144), (312, 804858), (318, 789672), (424, 592254), (468, 536572), (477, 526448), (624, 402429), (636, 394836), (689, 364464), (848, 296127), (936, 268286), (954, 263224), (1272, 197418), (1378, 182232), (1872, 134143), (1908, 131612), (2067, 121488), (2531, 99216), (2544, 98709), (2756, 91116), (3816, 65806), (4134, 60744), (5062, 49608), (5512, 45558), (6201, 40496), (7593, 33072), (7632, 32903), (8268, 30372), (10124, 24804), (11024, 22779), (12402, 20248), (15186, 16536)]