201870896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15443}}^1$

素因数の和:15513

約数の個数: 40

約数和(自身を含む): 421312320

約数和(自身を除く): 219441424

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 15443, 30886, 61772, 123544, 247088, 293417, 586834, 664049, 1173668, 1328098, 2347336, 2656196, 4694672, 5312392, 10624784, 12616931, 25233862, 50467724, 100935448, 201870896]

約数ペア:

[(1, 201870896), (2, 100935448), (4, 50467724), (8, 25233862), (16, 12616931), (19, 10624784), (38, 5312392), (43, 4694672), (76, 2656196), (86, 2347336), (152, 1328098), (172, 1173668), (304, 664049), (344, 586834), (688, 293417), (817, 247088), (1634, 123544), (3268, 61772), (6536, 30886), (13072, 15443)]