648637444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{77477}}^1$

素因数の和:77524

約数の個数: 48

約数和(自身を含む): 1457826048

約数和(自身を除く): 809188604

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 4186, 8372, 77477, 154954, 309908, 542339, 1007201, 1084678, 1781971, 2014402, 2169356, 3563942, 4028804, 7050407, 7127884, 12473797, 14100814, 23165623, 24947594, 28201628, 46331246, 49895188, 92662492, 162159361, 324318722, 648637444]

約数ペア:

[(1, 648637444), (2, 324318722), (4, 162159361), (7, 92662492), (13, 49895188), (14, 46331246), (23, 28201628), (26, 24947594), (28, 23165623), (46, 14100814), (52, 12473797), (91, 7127884), (92, 7050407), (161, 4028804), (182, 3563942), (299, 2169356), (322, 2014402), (364, 1781971), (598, 1084678), (644, 1007201), (1196, 542339), (2093, 309908), (4186, 154954), (8372, 77477)]