641469184

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3067}}^1$

素因数の和:3145

約数の個数: 72

約数和(自身を含む): 1379618240

約数和(自身を除く): 738149056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 256, 304, 344, 608, 688, 817, 1216, 1376, 1634, 2432, 2752, 3067, 3268, 4864, 5504, 6134, 6536, 11008, 12268, 13072, 24536, 26144, 49072, 52288, 58273, 98144, 104576, 116546, 131881, 196288, 209152, 233092, 263762, 392576, 466184, 527524, 785152, 932368, 1055048, 1864736, 2110096, 2505739, 3729472, 4220192, 5011478, 7458944, 8440384, 10022956, 14917888, 16880768, 20045912, 33761536, 40091824, 80183648, 160367296, 320734592, 641469184]

約数ペア:

[(1, 641469184), (2, 320734592), (4, 160367296), (8, 80183648), (16, 40091824), (19, 33761536), (32, 20045912), (38, 16880768), (43, 14917888), (64, 10022956), (76, 8440384), (86, 7458944), (128, 5011478), (152, 4220192), (172, 3729472), (256, 2505739), (304, 2110096), (344, 1864736), (608, 1055048), (688, 932368), (817, 785152), (1216, 527524), (1376, 466184), (1634, 392576), (2432, 263762), (2752, 233092), (3067, 209152), (3268, 196288), (4864, 131881), (5504, 116546), (6134, 104576), (6536, 98144), (11008, 58273), (12268, 52288), (13072, 49072), (24536, 26144)]