218405726

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4221

約数の個数: 48

約数和(自身を含む): 424919040

約数和(自身を除く): 206513314

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 121, 154, 217, 242, 341, 434, 682, 847, 1694, 2387, 3751, 4159, 4774, 7502, 8318, 26257, 29113, 45749, 52514, 58226, 91498, 128929, 257858, 320243, 503239, 640486, 902503, 1006478, 1418219, 1805006, 2836438, 3522673, 7045346, 9927533, 15600409, 19855066, 31200818, 109202863, 218405726]

約数ペア:

[(1, 218405726), (2, 109202863), (7, 31200818), (11, 19855066), (14, 15600409), (22, 9927533), (31, 7045346), (62, 3522673), (77, 2836438), (121, 1805006), (154, 1418219), (217, 1006478), (242, 902503), (341, 640486), (434, 503239), (682, 320243), (847, 257858), (1694, 128929), (2387, 91498), (3751, 58226), (4159, 52514), (4774, 45749), (7502, 29113), (8318, 26257)]