247931912

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{293}}^2$

素因数の和:630

約数の個数: 36

約数和(自身を含む): 492307245

約数和(自身を除く): 244375333

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 361, 586, 722, 1172, 1444, 2344, 2888, 5567, 11134, 22268, 44536, 85849, 105773, 171698, 211546, 343396, 423092, 686792, 846184, 1631131, 3262262, 6524524, 13049048, 30991489, 61982978, 123965956, 247931912]

約数ペア:

[(1, 247931912), (2, 123965956), (4, 61982978), (8, 30991489), (19, 13049048), (38, 6524524), (76, 3262262), (152, 1631131), (293, 846184), (361, 686792), (586, 423092), (722, 343396), (1172, 211546), (1444, 171698), (2344, 105773), (2888, 85849), (5567, 44536), (11134, 22268)]