156714490

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 288374400

約数和(自身を除く): 131659910

約数列:

[1, 2, 5, 10, 61, 122, 199, 305, 398, 610, 995, 1291, 1990, 2582, 6455, 12139, 12910, 24278, 60695, 78751, 121390, 157502, 256909, 393755, 513818, 787510, 1284545, 2569090, 15671449, 31342898, 78357245, 156714490]

約数ペア:

[(1, 156714490), (2, 78357245), (5, 31342898), (10, 15671449), (61, 2569090), (122, 1284545), (199, 787510), (305, 513818), (398, 393755), (610, 256909), (995, 157502), (1291, 121390), (1990, 78751), (2582, 60695), (6455, 24278), (12139, 12910)]