898974512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{68771}}^1$

素因数の和:68841

約数の個数: 40

約数和(自身を含む): 1876100160

約数和(自身を除く): 977125648

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 68771, 137542, 275084, 550168, 1100336, 1306649, 2613298, 2957153, 5226596, 5914306, 10453192, 11828612, 20906384, 23657224, 47314448, 56185907, 112371814, 224743628, 449487256, 898974512]

約数ペア:

[(1, 898974512), (2, 449487256), (4, 224743628), (8, 112371814), (16, 56185907), (19, 47314448), (38, 23657224), (43, 20906384), (76, 11828612), (86, 10453192), (152, 5914306), (172, 5226596), (304, 2957153), (344, 2613298), (688, 1306649), (817, 1100336), (1634, 550168), (3268, 275084), (6536, 137542), (13072, 68771)]