261346302

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{1489}}^1$

素因数の和:1710

約数の個数: 72

約数和(自身を含む): 662454000

約数和(自身を除く): 401107698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 199, 294, 398, 441, 597, 882, 1194, 1393, 1489, 1791, 2786, 2978, 3582, 4179, 4467, 8358, 8934, 9751, 10423, 12537, 13401, 19502, 20846, 25074, 26802, 29253, 31269, 58506, 62538, 72961, 87759, 93807, 145922, 175518, 187614, 218883, 296311, 437766, 592622, 656649, 888933, 1313298, 1777866, 2074177, 2666799, 4148354, 5333598, 6222531, 12445062, 14519239, 18667593, 29038478, 37335186, 43557717, 87115434, 130673151, 261346302]

約数ペア:

[(1, 261346302), (2, 130673151), (3, 87115434), (6, 43557717), (7, 37335186), (9, 29038478), (14, 18667593), (18, 14519239), (21, 12445062), (42, 6222531), (49, 5333598), (63, 4148354), (98, 2666799), (126, 2074177), (147, 1777866), (199, 1313298), (294, 888933), (398, 656649), (441, 592622), (597, 437766), (882, 296311), (1194, 218883), (1393, 187614), (1489, 175518), (1791, 145922), (2786, 93807), (2978, 87759), (3582, 72961), (4179, 62538), (4467, 58506), (8358, 31269), (8934, 29253), (9751, 26802), (10423, 25074), (12537, 20846), (13401, 19502)]