28763216

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 40

約数和(自身を含む): 57746304

約数和(自身を除く): 28983088

約数列:

[1, 2, 4, 8, 16, 43, 86, 97, 172, 194, 344, 388, 431, 688, 776, 862, 1552, 1724, 3448, 4171, 6896, 8342, 16684, 18533, 33368, 37066, 41807, 66736, 74132, 83614, 148264, 167228, 296528, 334456, 668912, 1797701, 3595402, 7190804, 14381608, 28763216]

約数ペア:

[(1, 28763216), (2, 14381608), (4, 7190804), (8, 3595402), (16, 1797701), (43, 668912), (86, 334456), (97, 296528), (172, 167228), (194, 148264), (344, 83614), (388, 74132), (431, 66736), (688, 41807), (776, 37066), (862, 33368), (1552, 18533), (1724, 16684), (3448, 8342), (4171, 6896)]