201970288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1487}}^1$

素因数の和:2161

約数の個数: 40

約数和(自身を含む): 422347968

約数和(自身を除く): 220377680

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 653, 1306, 1487, 2612, 2974, 5224, 5948, 8489, 10448, 11896, 16978, 19331, 23792, 33956, 38662, 67912, 77324, 135824, 154648, 309296, 971011, 1942022, 3884044, 7768088, 12623143, 15536176, 25246286, 50492572, 100985144, 201970288]

約数ペア:

[(1, 201970288), (2, 100985144), (4, 50492572), (8, 25246286), (13, 15536176), (16, 12623143), (26, 7768088), (52, 3884044), (104, 1942022), (208, 971011), (653, 309296), (1306, 154648), (1487, 135824), (2612, 77324), (2974, 67912), (5224, 38662), (5948, 33956), (8489, 23792), (10448, 19331), (11896, 16978)]