287986192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72871}}^1$

素因数の和:72911

約数の個数: 40

約数和(自身を含む): 632528960

約数和(自身を除く): 344542768

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 72871, 145742, 291484, 582968, 947323, 1165936, 1384549, 1894646, 2769098, 3789292, 5538196, 7578584, 11076392, 15157168, 17999137, 22152784, 35998274, 71996548, 143993096, 287986192]

約数ペア:

[(1, 287986192), (2, 143993096), (4, 71996548), (8, 35998274), (13, 22152784), (16, 17999137), (19, 15157168), (26, 11076392), (38, 7578584), (52, 5538196), (76, 3789292), (104, 2769098), (152, 1894646), (208, 1384549), (247, 1165936), (304, 947323), (494, 582968), (988, 291484), (1976, 145742), (3952, 72871)]