217697984

素因数分解:

$2^6\times 7^3\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 112

約数和(自身を含む): 516940800

約数和(自身を除く): 299242816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 94, 98, 112, 188, 196, 211, 224, 329, 343, 376, 392, 422, 448, 658, 686, 752, 784, 844, 1316, 1372, 1477, 1504, 1568, 1688, 2303, 2632, 2744, 2954, 3008, 3136, 3376, 4606, 5264, 5488, 5908, 6752, 9212, 9917, 10339, 10528, 10976, 11816, 13504, 16121, 18424, 19834, 20678, 21056, 21952, 23632, 32242, 36848, 39668, 41356, 47264, 64484, 69419, 72373, 73696, 79336, 82712, 94528, 128968, 138838, 144746, 147392, 158672, 165424, 257936, 277676, 289492, 317344, 330848, 485933, 515872, 555352, 578984, 634688, 661696, 971866, 1031744, 1110704, 1157968, 1943732, 2221408, 2315936, 3401531, 3887464, 4442816, 4631872, 6803062, 7774928, 13606124, 15549856, 27212248, 31099712, 54424496, 108848992, 217697984]

約数ペア:

[(1, 217697984), (2, 108848992), (4, 54424496), (7, 31099712), (8, 27212248), (14, 15549856), (16, 13606124), (28, 7774928), (32, 6803062), (47, 4631872), (49, 4442816), (56, 3887464), (64, 3401531), (94, 2315936), (98, 2221408), (112, 1943732), (188, 1157968), (196, 1110704), (211, 1031744), (224, 971866), (329, 661696), (343, 634688), (376, 578984), (392, 555352), (422, 515872), (448, 485933), (658, 330848), (686, 317344), (752, 289492), (784, 277676), (844, 257936), (1316, 165424), (1372, 158672), (1477, 147392), (1504, 144746), (1568, 138838), (1688, 128968), (2303, 94528), (2632, 82712), (2744, 79336), (2954, 73696), (3008, 72373), (3136, 69419), (3376, 64484), (4606, 47264), (5264, 41356), (5488, 39668), (5908, 36848), (6752, 32242), (9212, 23632), (9917, 21952), (10339, 21056), (10528, 20678), (10976, 19834), (11816, 18424), (13504, 16121)]