78901984

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18539}}^1$

素因数の和:18575

約数の個数: 48

約数和(自身を含む): 186883200

約数和(自身を除く): 107981216

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 18539, 37078, 74156, 129773, 148312, 259546, 296624, 352241, 519092, 593248, 704482, 1038184, 1408964, 2076368, 2465687, 2817928, 4152736, 4931374, 5635856, 9862748, 11271712, 19725496, 39450992, 78901984]

約数ペア:

[(1, 78901984), (2, 39450992), (4, 19725496), (7, 11271712), (8, 9862748), (14, 5635856), (16, 4931374), (19, 4152736), (28, 2817928), (32, 2465687), (38, 2076368), (56, 1408964), (76, 1038184), (112, 704482), (133, 593248), (152, 519092), (224, 352241), (266, 296624), (304, 259546), (532, 148312), (608, 129773), (1064, 74156), (2128, 37078), (4256, 18539)]