64785136

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 144608800

約数和(自身を除く): 79823664

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 97, 104, 152, 169, 194, 208, 247, 304, 338, 388, 494, 676, 776, 988, 1261, 1352, 1552, 1843, 1976, 2197, 2522, 2704, 3211, 3686, 3952, 4394, 5044, 6422, 7372, 8788, 10088, 12844, 14744, 16393, 17576, 20176, 23959, 25688, 29488, 32786, 35152, 41743, 47918, 51376, 65572, 83486, 95836, 131144, 166972, 191672, 213109, 262288, 311467, 333944, 383344, 426218, 622934, 667888, 852436, 1245868, 1704872, 2491736, 3409744, 4049071, 4983472, 8098142, 16196284, 32392568, 64785136]

約数ペア:

[(1, 64785136), (2, 32392568), (4, 16196284), (8, 8098142), (13, 4983472), (16, 4049071), (19, 3409744), (26, 2491736), (38, 1704872), (52, 1245868), (76, 852436), (97, 667888), (104, 622934), (152, 426218), (169, 383344), (194, 333944), (208, 311467), (247, 262288), (304, 213109), (338, 191672), (388, 166972), (494, 131144), (676, 95836), (776, 83486), (988, 65572), (1261, 51376), (1352, 47918), (1552, 41743), (1843, 35152), (1976, 32786), (2197, 29488), (2522, 25688), (2704, 23959), (3211, 20176), (3686, 17576), (3952, 16393), (4394, 14744), (5044, 12844), (6422, 10088), (7372, 8788)]