640147315064

素因数分解:

$2^3\times {\mathrm{823}}^1\times {\mathrm{2423}}^1\times {\mathrm{40127}}^1$

素因数の和:43379

約数の個数: 32

約数和(自身を含む): 1202260561920

約数和(自身を除く): 562113246856

約数列:

[1, 2, 4, 8, 823, 1646, 2423, 3292, 4846, 6584, 9692, 19384, 40127, 80254, 160508, 321016, 1994129, 3988258, 7976516, 15953032, 33024521, 66049042, 97227721, 132098084, 194455442, 264196168, 388910884, 777821768, 80018414383, 160036828766, 320073657532, 640147315064]

約数ペア:

[(1, 640147315064), (2, 320073657532), (4, 160036828766), (8, 80018414383), (823, 777821768), (1646, 388910884), (2423, 264196168), (3292, 194455442), (4846, 132098084), (6584, 97227721), (9692, 66049042), (19384, 33024521), (40127, 15953032), (80254, 7976516), (160508, 3988258), (321016, 1994129)]