1231616

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:316

約数の個数: 36

約数和(自身を含む): 2612232

約数和(自身を除く): 1380616

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 283, 544, 566, 1088, 1132, 2176, 2264, 4352, 4528, 4811, 9056, 9622, 18112, 19244, 36224, 38488, 72448, 76976, 153952, 307904, 615808, 1231616]

約数ペア:

[(1, 1231616), (2, 615808), (4, 307904), (8, 153952), (16, 76976), (17, 72448), (32, 38488), (34, 36224), (64, 19244), (68, 18112), (128, 9622), (136, 9056), (256, 4811), (272, 4528), (283, 4352), (544, 2264), (566, 2176), (1088, 1132)]