257645376

素因数分解:

$2^6\times 3^2\times {\mathrm{491}}^1\times {\mathrm{911}}^1$

素因数の和:1420

約数の個数: 84

約数和(自身を含む): 740810304

約数和(自身を除く): 483164928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 491, 576, 911, 982, 1473, 1822, 1964, 2733, 2946, 3644, 3928, 4419, 5466, 5892, 7288, 7856, 8199, 8838, 10932, 11784, 14576, 15712, 16398, 17676, 21864, 23568, 29152, 31424, 32796, 35352, 43728, 47136, 58304, 65592, 70704, 87456, 94272, 131184, 141408, 174912, 262368, 282816, 447301, 524736, 894602, 1341903, 1789204, 2683806, 3578408, 4025709, 5367612, 7156816, 8051418, 10735224, 14313632, 16102836, 21470448, 28627264, 32205672, 42940896, 64411344, 85881792, 128822688, 257645376]

約数ペア:

[(1, 257645376), (2, 128822688), (3, 85881792), (4, 64411344), (6, 42940896), (8, 32205672), (9, 28627264), (12, 21470448), (16, 16102836), (18, 14313632), (24, 10735224), (32, 8051418), (36, 7156816), (48, 5367612), (64, 4025709), (72, 3578408), (96, 2683806), (144, 1789204), (192, 1341903), (288, 894602), (491, 524736), (576, 447301), (911, 282816), (982, 262368), (1473, 174912), (1822, 141408), (1964, 131184), (2733, 94272), (2946, 87456), (3644, 70704), (3928, 65592), (4419, 58304), (5466, 47136), (5892, 43728), (7288, 35352), (7856, 32796), (8199, 31424), (8838, 29152), (10932, 23568), (11784, 21864), (14576, 17676), (15712, 16398)]