217872464

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2909}}^1$

素因数の和:3099

約数の個数: 40

約数和(自身を含む): 438781440

約数和(自身を除く): 220908976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 302, 496, 604, 1208, 2416, 2909, 4681, 5818, 9362, 11636, 18724, 23272, 37448, 46544, 74896, 90179, 180358, 360716, 439259, 721432, 878518, 1442864, 1757036, 3514072, 7028144, 13617029, 27234058, 54468116, 108936232, 217872464]

約数ペア:

[(1, 217872464), (2, 108936232), (4, 54468116), (8, 27234058), (16, 13617029), (31, 7028144), (62, 3514072), (124, 1757036), (151, 1442864), (248, 878518), (302, 721432), (496, 439259), (604, 360716), (1208, 180358), (2416, 90179), (2909, 74896), (4681, 46544), (5818, 37448), (9362, 23272), (11636, 18724)]