201687812

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1\times {\mathrm{709}}^1$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 374926860

約数和(自身を除く): 173239048

約数列:

[1, 2, 4, 19, 38, 76, 197, 361, 394, 709, 722, 788, 1418, 1444, 2836, 3743, 7486, 13471, 14972, 26942, 53884, 71117, 139673, 142234, 255949, 279346, 284468, 511898, 558692, 1023796, 2653787, 5307574, 10615148, 50421953, 100843906, 201687812]

約数ペア:

[(1, 201687812), (2, 100843906), (4, 50421953), (19, 10615148), (38, 5307574), (76, 2653787), (197, 1023796), (361, 558692), (394, 511898), (709, 284468), (722, 279346), (788, 255949), (1418, 142234), (1444, 139673), (2836, 71117), (3743, 53884), (7486, 26942), (13471, 14972)]