391876128

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{3967}}^1$

素因数の和:4004

約数の個数: 144

約数和(自身を含む): 1299916800

約数和(自身を除く): 908040672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 343, 392, 441, 504, 588, 672, 686, 784, 882, 1008, 1029, 1176, 1372, 1568, 1764, 2016, 2058, 2352, 2744, 3087, 3528, 3967, 4116, 4704, 5488, 6174, 7056, 7934, 8232, 10976, 11901, 12348, 14112, 15868, 16464, 23802, 24696, 27769, 31736, 32928, 35703, 47604, 49392, 55538, 63472, 71406, 83307, 95208, 98784, 111076, 126944, 142812, 166614, 190416, 194383, 222152, 249921, 285624, 333228, 380832, 388766, 444304, 499842, 571248, 583149, 666456, 777532, 888608, 999684, 1142496, 1166298, 1332912, 1360681, 1555064, 1749447, 1999368, 2332596, 2665824, 2721362, 3110128, 3498894, 3998736, 4082043, 4665192, 5442724, 6220256, 6997788, 7997472, 8164086, 9330384, 10885448, 12246129, 13995576, 16328172, 18660768, 21770896, 24492258, 27991152, 32656344, 43541792, 48984516, 55982304, 65312688, 97969032, 130625376, 195938064, 391876128]

約数ペア:

[(1, 391876128), (2, 195938064), (3, 130625376), (4, 97969032), (6, 65312688), (7, 55982304), (8, 48984516), (9, 43541792), (12, 32656344), (14, 27991152), (16, 24492258), (18, 21770896), (21, 18660768), (24, 16328172), (28, 13995576), (32, 12246129), (36, 10885448), (42, 9330384), (48, 8164086), (49, 7997472), (56, 6997788), (63, 6220256), (72, 5442724), (84, 4665192), (96, 4082043), (98, 3998736), (112, 3498894), (126, 3110128), (144, 2721362), (147, 2665824), (168, 2332596), (196, 1999368), (224, 1749447), (252, 1555064), (288, 1360681), (294, 1332912), (336, 1166298), (343, 1142496), (392, 999684), (441, 888608), (504, 777532), (588, 666456), (672, 583149), (686, 571248), (784, 499842), (882, 444304), (1008, 388766), (1029, 380832), (1176, 333228), (1372, 285624), (1568, 249921), (1764, 222152), (2016, 194383), (2058, 190416), (2352, 166614), (2744, 142812), (3087, 126944), (3528, 111076), (3967, 98784), (4116, 95208), (4704, 83307), (5488, 71406), (6174, 63472), (7056, 55538), (7934, 49392), (8232, 47604), (10976, 35703), (11901, 32928), (12348, 31736), (14112, 27769), (15868, 24696), (16464, 23802)]