257129208

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{983}}^1$

素因数の和:1178

約数の個数: 128

約数和(自身を含む): 821836800

約数和(自身を除く): 564707592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 173, 189, 216, 252, 346, 378, 504, 519, 692, 756, 983, 1038, 1211, 1384, 1512, 1557, 1966, 2076, 2422, 2949, 3114, 3633, 3932, 4152, 4671, 4844, 5898, 6228, 6881, 7266, 7864, 8847, 9342, 9688, 10899, 11796, 12456, 13762, 14532, 17694, 18684, 20643, 21798, 23592, 26541, 27524, 29064, 32697, 35388, 37368, 41286, 43596, 53082, 55048, 61929, 65394, 70776, 82572, 87192, 106164, 123858, 130788, 165144, 170059, 185787, 212328, 247716, 261576, 340118, 371574, 495432, 510177, 680236, 743148, 1020354, 1190413, 1360472, 1486296, 1530531, 2040708, 2380826, 3061062, 3571239, 4081416, 4591593, 4761652, 6122124, 7142478, 9183186, 9523304, 10713717, 12244248, 14284956, 18366372, 21427434, 28569912, 32141151, 36732744, 42854868, 64282302, 85709736, 128564604, 257129208]

約数ペア:

[(1, 257129208), (2, 128564604), (3, 85709736), (4, 64282302), (6, 42854868), (7, 36732744), (8, 32141151), (9, 28569912), (12, 21427434), (14, 18366372), (18, 14284956), (21, 12244248), (24, 10713717), (27, 9523304), (28, 9183186), (36, 7142478), (42, 6122124), (54, 4761652), (56, 4591593), (63, 4081416), (72, 3571239), (84, 3061062), (108, 2380826), (126, 2040708), (168, 1530531), (173, 1486296), (189, 1360472), (216, 1190413), (252, 1020354), (346, 743148), (378, 680236), (504, 510177), (519, 495432), (692, 371574), (756, 340118), (983, 261576), (1038, 247716), (1211, 212328), (1384, 185787), (1512, 170059), (1557, 165144), (1966, 130788), (2076, 123858), (2422, 106164), (2949, 87192), (3114, 82572), (3633, 70776), (3932, 65394), (4152, 61929), (4671, 55048), (4844, 53082), (5898, 43596), (6228, 41286), (6881, 37368), (7266, 35388), (7864, 32697), (8847, 29064), (9342, 27524), (9688, 26541), (10899, 23592), (11796, 21798), (12456, 20643), (13762, 18684), (14532, 17694)]