217755888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13789}}^1$

素因数の和:13854

約数の個数: 80

約数和(自身を含む): 656624640

約数和(自身を除く): 438868752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 56, 84, 94, 112, 141, 168, 188, 282, 329, 336, 376, 564, 658, 752, 987, 1128, 1316, 1974, 2256, 2632, 3948, 5264, 7896, 13789, 15792, 27578, 41367, 55156, 82734, 96523, 110312, 165468, 193046, 220624, 289569, 330936, 386092, 579138, 648083, 661872, 772184, 1158276, 1296166, 1544368, 1944249, 2316552, 2592332, 3888498, 4536581, 4633104, 5184664, 7776996, 9073162, 10369328, 13609743, 15553992, 18146324, 27219486, 31107984, 36292648, 54438972, 72585296, 108877944, 217755888]

約数ペア:

[(1, 217755888), (2, 108877944), (3, 72585296), (4, 54438972), (6, 36292648), (7, 31107984), (8, 27219486), (12, 18146324), (14, 15553992), (16, 13609743), (21, 10369328), (24, 9073162), (28, 7776996), (42, 5184664), (47, 4633104), (48, 4536581), (56, 3888498), (84, 2592332), (94, 2316552), (112, 1944249), (141, 1544368), (168, 1296166), (188, 1158276), (282, 772184), (329, 661872), (336, 648083), (376, 579138), (564, 386092), (658, 330936), (752, 289569), (987, 220624), (1128, 193046), (1316, 165468), (1974, 110312), (2256, 96523), (2632, 82734), (3948, 55156), (5264, 41367), (7896, 27578), (13789, 15792)]