66689792

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 148517040

約数和(自身を除く): 81827248

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 208, 232, 256, 377, 416, 464, 691, 754, 832, 928, 1382, 1508, 1664, 1856, 2764, 3016, 3328, 3712, 5528, 6032, 7424, 8983, 11056, 12064, 17966, 20039, 22112, 24128, 35932, 40078, 44224, 48256, 71864, 80156, 88448, 96512, 143728, 160312, 176896, 260507, 287456, 320624, 521014, 574912, 641248, 1042028, 1149824, 1282496, 2084056, 2299648, 2564992, 4168112, 5129984, 8336224, 16672448, 33344896, 66689792]

約数ペア:

[(1, 66689792), (2, 33344896), (4, 16672448), (8, 8336224), (13, 5129984), (16, 4168112), (26, 2564992), (29, 2299648), (32, 2084056), (52, 1282496), (58, 1149824), (64, 1042028), (104, 641248), (116, 574912), (128, 521014), (208, 320624), (232, 287456), (256, 260507), (377, 176896), (416, 160312), (464, 143728), (691, 96512), (754, 88448), (832, 80156), (928, 71864), (1382, 48256), (1508, 44224), (1664, 40078), (1856, 35932), (2764, 24128), (3016, 22112), (3328, 20039), (3712, 17966), (5528, 12064), (6032, 11056), (7424, 8983)]