281159368

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 613848960

約数和(自身を除く): 332689592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 157, 226, 283, 314, 452, 566, 628, 791, 904, 1099, 1132, 1256, 1582, 1981, 2198, 2264, 3164, 3962, 4396, 6328, 7924, 8792, 15848, 17741, 31979, 35482, 44431, 63958, 70964, 88862, 124187, 127916, 141928, 177724, 223853, 248374, 255832, 311017, 355448, 447706, 496748, 622034, 895412, 993496, 1244068, 1790824, 2488136, 5020703, 10041406, 20082812, 35144921, 40165624, 70289842, 140579684, 281159368]

約数ペア:

[(1, 281159368), (2, 140579684), (4, 70289842), (7, 40165624), (8, 35144921), (14, 20082812), (28, 10041406), (56, 5020703), (113, 2488136), (157, 1790824), (226, 1244068), (283, 993496), (314, 895412), (452, 622034), (566, 496748), (628, 447706), (791, 355448), (904, 311017), (1099, 255832), (1132, 248374), (1256, 223853), (1582, 177724), (1981, 141928), (2198, 127916), (2264, 124187), (3164, 88862), (3962, 70964), (4396, 63958), (6328, 44431), (7924, 35482), (8792, 31979), (15848, 17741)]