281567256

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1\times {\mathrm{443}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 717361920

約数和(自身を除く): 435794664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 373, 426, 443, 568, 746, 852, 886, 1119, 1329, 1492, 1704, 1772, 2238, 2658, 2984, 3544, 4476, 5316, 8952, 10632, 26483, 31453, 52966, 62906, 79449, 94359, 105932, 125812, 158898, 165239, 188718, 211864, 251624, 317796, 330478, 377436, 495717, 635592, 660956, 754872, 991434, 1321912, 1982868, 3965736, 11731969, 23463938, 35195907, 46927876, 70391814, 93855752, 140783628, 281567256]

約数ペア:

[(1, 281567256), (2, 140783628), (3, 93855752), (4, 70391814), (6, 46927876), (8, 35195907), (12, 23463938), (24, 11731969), (71, 3965736), (142, 1982868), (213, 1321912), (284, 991434), (373, 754872), (426, 660956), (443, 635592), (568, 495717), (746, 377436), (852, 330478), (886, 317796), (1119, 251624), (1329, 211864), (1492, 188718), (1704, 165239), (1772, 158898), (2238, 125812), (2658, 105932), (2984, 94359), (3544, 79449), (4476, 62906), (5316, 52966), (8952, 31453), (10632, 26483)]