1276865665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 1755758592

約数和(自身を除く): 478892927

約数列:

[1, 5, 17, 31, 41, 53, 85, 155, 205, 223, 265, 527, 697, 901, 1115, 1271, 1643, 2173, 2635, 3485, 3791, 4505, 6355, 6913, 8215, 9143, 10865, 11819, 18955, 21607, 27931, 34565, 36941, 45715, 59095, 67363, 108035, 117521, 139655, 155431, 184705, 200923, 283433, 336815, 366389, 484579, 587605, 777155, 1004615, 1145171, 1417165, 1831945, 2422895, 4818361, 5725855, 6228613, 8237843, 15021949, 24091805, 31143065, 41189215, 75109745, 255373133, 1276865665]

約数ペア:

[(1, 1276865665), (5, 255373133), (17, 75109745), (31, 41189215), (41, 31143065), (53, 24091805), (85, 15021949), (155, 8237843), (205, 6228613), (223, 5725855), (265, 4818361), (527, 2422895), (697, 1831945), (901, 1417165), (1115, 1145171), (1271, 1004615), (1643, 777155), (2173, 587605), (2635, 484579), (3485, 366389), (3791, 336815), (4505, 283433), (6355, 200923), (6913, 184705), (8215, 155431), (9143, 139655), (10865, 117521), (11819, 108035), (18955, 67363), (21607, 59095), (27931, 45715), (34565, 36941)]