199981456

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{1307}}^1$

素因数の和:1519

約数の個数: 40

約数和(自身を含む): 396072864

約数和(自身を除く): 196091408

約数列:

[1, 2, 4, 8, 16, 73, 131, 146, 262, 292, 524, 584, 1048, 1168, 1307, 2096, 2614, 5228, 9563, 10456, 19126, 20912, 38252, 76504, 95411, 153008, 171217, 190822, 342434, 381644, 684868, 763288, 1369736, 1526576, 2739472, 12498841, 24997682, 49995364, 99990728, 199981456]

約数ペア:

[(1, 199981456), (2, 99990728), (4, 49995364), (8, 24997682), (16, 12498841), (73, 2739472), (131, 1526576), (146, 1369736), (262, 763288), (292, 684868), (524, 381644), (584, 342434), (1048, 190822), (1168, 171217), (1307, 153008), (2096, 95411), (2614, 76504), (5228, 38252), (9563, 20912), (10456, 19126)]