80211726

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{457}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 203626800

約数和(自身を除く): 123415074

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 199, 294, 398, 441, 457, 597, 882, 914, 1194, 1371, 1393, 1791, 2742, 2786, 3199, 3582, 4113, 4179, 6398, 8226, 8358, 9597, 9751, 12537, 19194, 19502, 22393, 25074, 28791, 29253, 44786, 57582, 58506, 67179, 87759, 90943, 134358, 175518, 181886, 201537, 272829, 403074, 545658, 636601, 818487, 1273202, 1636974, 1909803, 3819606, 4456207, 5729409, 8912414, 11458818, 13368621, 26737242, 40105863, 80211726]

約数ペア:

[(1, 80211726), (2, 40105863), (3, 26737242), (6, 13368621), (7, 11458818), (9, 8912414), (14, 5729409), (18, 4456207), (21, 3819606), (42, 1909803), (49, 1636974), (63, 1273202), (98, 818487), (126, 636601), (147, 545658), (199, 403074), (294, 272829), (398, 201537), (441, 181886), (457, 175518), (597, 134358), (882, 90943), (914, 87759), (1194, 67179), (1371, 58506), (1393, 57582), (1791, 44786), (2742, 29253), (2786, 28791), (3199, 25074), (3582, 22393), (4113, 19502), (4179, 19194), (6398, 12537), (8226, 9751), (8358, 9597)]