172336388

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 350380800

約数和(自身を除く): 178044412

約数列:

[1, 2, 4, 7, 14, 28, 157, 197, 199, 314, 394, 398, 628, 788, 796, 1099, 1379, 1393, 2198, 2758, 2786, 4396, 5516, 5572, 30929, 31243, 39203, 61858, 62486, 78406, 123716, 124972, 156812, 216503, 218701, 274421, 433006, 437402, 548842, 866012, 874804, 1097684, 6154871, 12309742, 24619484, 43084097, 86168194, 172336388]

約数ペア:

[(1, 172336388), (2, 86168194), (4, 43084097), (7, 24619484), (14, 12309742), (28, 6154871), (157, 1097684), (197, 874804), (199, 866012), (314, 548842), (394, 437402), (398, 433006), (628, 274421), (788, 218701), (796, 216503), (1099, 156812), (1379, 124972), (1393, 123716), (2198, 78406), (2758, 62486), (2786, 61858), (4396, 39203), (5516, 31243), (5572, 30929)]