1279183472

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 2884190400

約数和(自身を除く): 1605006928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 181, 356, 362, 623, 709, 712, 724, 1246, 1267, 1418, 1424, 1448, 2492, 2534, 2836, 2896, 4963, 4984, 5068, 5672, 9926, 9968, 10136, 11344, 16109, 19852, 20272, 32218, 39704, 63101, 64436, 79408, 112763, 126202, 128329, 128872, 225526, 252404, 256658, 257744, 441707, 451052, 504808, 513316, 883414, 898303, 902104, 1009616, 1026632, 1766828, 1796606, 1804208, 2053264, 3533656, 3593212, 7067312, 7186424, 11421281, 14372848, 22842562, 45685124, 79948967, 91370248, 159897934, 182740496, 319795868, 639591736, 1279183472]

約数ペア:

[(1, 1279183472), (2, 639591736), (4, 319795868), (7, 182740496), (8, 159897934), (14, 91370248), (16, 79948967), (28, 45685124), (56, 22842562), (89, 14372848), (112, 11421281), (178, 7186424), (181, 7067312), (356, 3593212), (362, 3533656), (623, 2053264), (709, 1804208), (712, 1796606), (724, 1766828), (1246, 1026632), (1267, 1009616), (1418, 902104), (1424, 898303), (1448, 883414), (2492, 513316), (2534, 504808), (2836, 451052), (2896, 441707), (4963, 257744), (4984, 256658), (5068, 252404), (5672, 225526), (9926, 128872), (9968, 128329), (10136, 126202), (11344, 112763), (16109, 79408), (19852, 64436), (20272, 63101), (32218, 39704)]