9709456

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{41}}^2$

素因数の和:128

約数の個数: 45

約数和(自身を含む): 20350353

約数和(自身を除く): 10640897

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 361, 656, 722, 779, 1444, 1558, 1681, 2888, 3116, 3362, 5776, 6232, 6724, 12464, 13448, 14801, 26896, 29602, 31939, 59204, 63878, 118408, 127756, 236816, 255512, 511024, 606841, 1213682, 2427364, 4854728, 9709456]

約数ペア:

[(1, 9709456), (2, 4854728), (4, 2427364), (8, 1213682), (16, 606841), (19, 511024), (38, 255512), (41, 236816), (76, 127756), (82, 118408), (152, 63878), (164, 59204), (304, 31939), (328, 29602), (361, 26896), (656, 14801), (722, 13448), (779, 12464), (1444, 6724), (1558, 6232), (1681, 5776), (2888, 3362)]