31713768

素因数分解:

$2^3\times 3^4\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:576

約数の個数: 80

約数和(自身を含む): 89842500

約数和(自身を除く): 58128732

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 109, 162, 216, 218, 324, 327, 436, 449, 648, 654, 872, 898, 981, 1308, 1347, 1796, 1962, 2616, 2694, 2943, 3592, 3924, 4041, 5388, 5886, 7848, 8082, 8829, 10776, 11772, 12123, 16164, 17658, 23544, 24246, 32328, 35316, 36369, 48492, 48941, 70632, 72738, 96984, 97882, 145476, 146823, 195764, 290952, 293646, 391528, 440469, 587292, 880938, 1174584, 1321407, 1761876, 2642814, 3523752, 3964221, 5285628, 7928442, 10571256, 15856884, 31713768]

約数ペア:

[(1, 31713768), (2, 15856884), (3, 10571256), (4, 7928442), (6, 5285628), (8, 3964221), (9, 3523752), (12, 2642814), (18, 1761876), (24, 1321407), (27, 1174584), (36, 880938), (54, 587292), (72, 440469), (81, 391528), (108, 293646), (109, 290952), (162, 195764), (216, 146823), (218, 145476), (324, 97882), (327, 96984), (436, 72738), (449, 70632), (648, 48941), (654, 48492), (872, 36369), (898, 35316), (981, 32328), (1308, 24246), (1347, 23544), (1796, 17658), (1962, 16164), (2616, 12123), (2694, 11772), (2943, 10776), (3592, 8829), (3924, 8082), (4041, 7848), (5388, 5886)]