217872056

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{4987}}^1$

素因数の和:5163

約数の個数: 32

約数和(自身を含む): 421386240

約数和(自身を除く): 203514184

約数列:

[1, 2, 4, 8, 43, 86, 127, 172, 254, 344, 508, 1016, 4987, 5461, 9974, 10922, 19948, 21844, 39896, 43688, 214441, 428882, 633349, 857764, 1266698, 1715528, 2533396, 5066792, 27234007, 54468014, 108936028, 217872056]

約数ペア:

[(1, 217872056), (2, 108936028), (4, 54468014), (8, 27234007), (43, 5066792), (86, 2533396), (127, 1715528), (172, 1266698), (254, 857764), (344, 633349), (508, 428882), (1016, 214441), (4987, 43688), (5461, 39896), (9974, 21844), (10922, 19948)]