638911728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48757}}^1$

素因数の和:48791

約数の個数: 120

約数和(自身を含む): 2200741088

約数和(自身を除く): 1561829360

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 104, 112, 117, 126, 144, 156, 168, 182, 208, 234, 252, 273, 312, 336, 364, 468, 504, 546, 624, 728, 819, 936, 1008, 1092, 1456, 1638, 1872, 2184, 3276, 4368, 6552, 13104, 48757, 97514, 146271, 195028, 292542, 341299, 390056, 438813, 585084, 633841, 682598, 780112, 877626, 1023897, 1170168, 1267682, 1365196, 1755252, 1901523, 2047794, 2340336, 2535364, 2730392, 3071691, 3510504, 3803046, 4095588, 4436887, 5070728, 5460784, 5704569, 6143382, 7021008, 7606092, 8191176, 8873774, 10141456, 11409138, 12286764, 13310661, 15212184, 16382352, 17747548, 22818276, 24573528, 26621322, 30424368, 35495096, 39931983, 45636552, 49147056, 53242644, 70990192, 79863966, 91273104, 106485288, 159727932, 212970576, 319455864, 638911728]

約数ペア:

[(1, 638911728), (2, 319455864), (3, 212970576), (4, 159727932), (6, 106485288), (7, 91273104), (8, 79863966), (9, 70990192), (12, 53242644), (13, 49147056), (14, 45636552), (16, 39931983), (18, 35495096), (21, 30424368), (24, 26621322), (26, 24573528), (28, 22818276), (36, 17747548), (39, 16382352), (42, 15212184), (48, 13310661), (52, 12286764), (56, 11409138), (63, 10141456), (72, 8873774), (78, 8191176), (84, 7606092), (91, 7021008), (104, 6143382), (112, 5704569), (117, 5460784), (126, 5070728), (144, 4436887), (156, 4095588), (168, 3803046), (182, 3510504), (208, 3071691), (234, 2730392), (252, 2535364), (273, 2340336), (312, 2047794), (336, 1901523), (364, 1755252), (468, 1365196), (504, 1267682), (546, 1170168), (624, 1023897), (728, 877626), (819, 780112), (936, 682598), (1008, 633841), (1092, 585084), (1456, 438813), (1638, 390056), (1872, 341299), (2184, 292542), (3276, 195028), (4368, 146271), (6552, 97514), (13104, 48757)]