177756964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1997}}^1$

素因数の和:2053

約数の個数: 72

約数和(自身を含む): 412195392

約数和(自身を除く): 234438428

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 289, 308, 374, 476, 578, 748, 1156, 1309, 1997, 2023, 2618, 3179, 3994, 4046, 5236, 6358, 7988, 8092, 12716, 13979, 21967, 22253, 27958, 33949, 43934, 44506, 55916, 67898, 87868, 89012, 135796, 153769, 237643, 307538, 373439, 475286, 577133, 615076, 746878, 950572, 1154266, 1493756, 2308532, 2614073, 4039931, 5228146, 6348463, 8079862, 10456292, 12696926, 16159724, 25393852, 44439241, 88878482, 177756964]

約数ペア:

[(1, 177756964), (2, 88878482), (4, 44439241), (7, 25393852), (11, 16159724), (14, 12696926), (17, 10456292), (22, 8079862), (28, 6348463), (34, 5228146), (44, 4039931), (68, 2614073), (77, 2308532), (119, 1493756), (154, 1154266), (187, 950572), (238, 746878), (289, 615076), (308, 577133), (374, 475286), (476, 373439), (578, 307538), (748, 237643), (1156, 153769), (1309, 135796), (1997, 89012), (2023, 87868), (2618, 67898), (3179, 55916), (3994, 44506), (4046, 43934), (5236, 33949), (6358, 27958), (7988, 22253), (8092, 21967), (12716, 13979)]