291784428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{21499}}^1$

素因数の和:21551

約数の個数: 72

約数和(自身を含む): 821730000

約数和(自身を除く): 529945572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 78, 87, 116, 117, 156, 174, 234, 261, 348, 377, 468, 522, 754, 1044, 1131, 1508, 2262, 3393, 4524, 6786, 13572, 21499, 42998, 64497, 85996, 128994, 193491, 257988, 279487, 386982, 558974, 623471, 773964, 838461, 1117948, 1246942, 1676922, 1870413, 2493884, 2515383, 3353844, 3740826, 5030766, 5611239, 7481652, 8105123, 10061532, 11222478, 16210246, 22444956, 24315369, 32420492, 48630738, 72946107, 97261476, 145892214, 291784428]

約数ペア:

[(1, 291784428), (2, 145892214), (3, 97261476), (4, 72946107), (6, 48630738), (9, 32420492), (12, 24315369), (13, 22444956), (18, 16210246), (26, 11222478), (29, 10061532), (36, 8105123), (39, 7481652), (52, 5611239), (58, 5030766), (78, 3740826), (87, 3353844), (116, 2515383), (117, 2493884), (156, 1870413), (174, 1676922), (234, 1246942), (261, 1117948), (348, 838461), (377, 773964), (468, 623471), (522, 558974), (754, 386982), (1044, 279487), (1131, 257988), (1508, 193491), (2262, 128994), (3393, 85996), (4524, 64497), (6786, 42998), (13572, 21499)]