71601228

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 185945760

約数和(自身を除く): 114344532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 109, 142, 213, 218, 257, 284, 327, 426, 436, 514, 639, 654, 771, 852, 981, 1028, 1278, 1308, 1542, 1962, 2313, 2556, 3084, 3924, 4626, 7739, 9252, 15478, 18247, 23217, 28013, 30956, 36494, 46434, 54741, 56026, 69651, 72988, 84039, 92868, 109482, 112052, 139302, 164223, 168078, 218964, 252117, 278604, 328446, 336156, 504234, 656892, 1008468, 1988923, 3977846, 5966769, 7955692, 11933538, 17900307, 23867076, 35800614, 71601228]

約数ペア:

[(1, 71601228), (2, 35800614), (3, 23867076), (4, 17900307), (6, 11933538), (9, 7955692), (12, 5966769), (18, 3977846), (36, 1988923), (71, 1008468), (109, 656892), (142, 504234), (213, 336156), (218, 328446), (257, 278604), (284, 252117), (327, 218964), (426, 168078), (436, 164223), (514, 139302), (639, 112052), (654, 109482), (771, 92868), (852, 84039), (981, 72988), (1028, 69651), (1278, 56026), (1308, 54741), (1542, 46434), (1962, 36494), (2313, 30956), (2556, 28013), (3084, 23217), (3924, 18247), (4626, 15478), (7739, 9252)]