213473968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{3923}}^1$

素因数の和:4129

約数の個数: 40

約数和(自身を含む): 437918400

約数和(自身を除く): 224444432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 179, 304, 358, 716, 1432, 2864, 3401, 3923, 6802, 7846, 13604, 15692, 27208, 31384, 54416, 62768, 74537, 149074, 298148, 596296, 702217, 1192592, 1404434, 2808868, 5617736, 11235472, 13342123, 26684246, 53368492, 106736984, 213473968]

約数ペア:

[(1, 213473968), (2, 106736984), (4, 53368492), (8, 26684246), (16, 13342123), (19, 11235472), (38, 5617736), (76, 2808868), (152, 1404434), (179, 1192592), (304, 702217), (358, 596296), (716, 298148), (1432, 149074), (2864, 74537), (3401, 62768), (3923, 54416), (6802, 31384), (7846, 27208), (13604, 15692)]