257235624

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{25703}}^1$

素因数の和:25854

約数の個数: 48

約数和(自身を含む): 701719200

約数和(自身を除く): 444483576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2502, 3336, 5004, 10008, 25703, 51406, 77109, 102812, 154218, 205624, 231327, 308436, 462654, 616872, 925308, 1850616, 3572717, 7145434, 10718151, 14290868, 21436302, 28581736, 32154453, 42872604, 64308906, 85745208, 128617812, 257235624]

約数ペア:

[(1, 257235624), (2, 128617812), (3, 85745208), (4, 64308906), (6, 42872604), (8, 32154453), (9, 28581736), (12, 21436302), (18, 14290868), (24, 10718151), (36, 7145434), (72, 3572717), (139, 1850616), (278, 925308), (417, 616872), (556, 462654), (834, 308436), (1112, 231327), (1251, 205624), (1668, 154218), (2502, 102812), (3336, 77109), (5004, 51406), (10008, 25703)]