87638488

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2720

約数の個数: 64

約数和(自身を含む): 204134400

約数和(自身を除く): 116495912

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 2657, 4123, 4712, 5314, 8246, 10628, 16492, 18599, 21256, 32984, 37198, 50483, 74396, 82367, 100966, 148792, 164734, 201932, 329468, 353381, 403864, 576569, 658936, 706762, 1153138, 1413524, 1564973, 2306276, 2827048, 3129946, 4612552, 6259892, 10954811, 12519784, 21909622, 43819244, 87638488]

約数ペア:

[(1, 87638488), (2, 43819244), (4, 21909622), (7, 12519784), (8, 10954811), (14, 6259892), (19, 4612552), (28, 3129946), (31, 2827048), (38, 2306276), (56, 1564973), (62, 1413524), (76, 1153138), (124, 706762), (133, 658936), (152, 576569), (217, 403864), (248, 353381), (266, 329468), (434, 201932), (532, 164734), (589, 148792), (868, 100966), (1064, 82367), (1178, 74396), (1736, 50483), (2356, 37198), (2657, 32984), (4123, 21256), (4712, 18599), (5314, 16492), (8246, 10628)]