31241392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 76384000

約数和(自身を除く): 45142608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 499, 559, 602, 688, 728, 998, 1118, 1204, 1456, 1996, 2236, 2408, 3493, 3913, 3992, 4472, 4816, 6487, 6986, 7826, 7984, 8944, 12974, 13972, 15652, 21457, 25948, 27944, 31304, 42914, 45409, 51896, 55888, 62608, 85828, 90818, 103792, 150199, 171656, 181636, 278941, 300398, 343312, 363272, 557882, 600796, 726544, 1115764, 1201592, 1952587, 2231528, 2403184, 3905174, 4463056, 7810348, 15620696, 31241392]

約数ペア:

[(1, 31241392), (2, 15620696), (4, 7810348), (7, 4463056), (8, 3905174), (13, 2403184), (14, 2231528), (16, 1952587), (26, 1201592), (28, 1115764), (43, 726544), (52, 600796), (56, 557882), (86, 363272), (91, 343312), (104, 300398), (112, 278941), (172, 181636), (182, 171656), (208, 150199), (301, 103792), (344, 90818), (364, 85828), (499, 62608), (559, 55888), (602, 51896), (688, 45409), (728, 42914), (998, 31304), (1118, 27944), (1204, 25948), (1456, 21457), (1996, 15652), (2236, 13972), (2408, 12974), (3493, 8944), (3913, 7984), (3992, 7826), (4472, 6986), (4816, 6487)]