12985456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{829}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 27788400

約数和(自身を除く): 14802944

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 829, 979, 1424, 1658, 1958, 3316, 3916, 6632, 7832, 9119, 13264, 15664, 18238, 36476, 72952, 73781, 145904, 147562, 295124, 590248, 811591, 1180496, 1623182, 3246364, 6492728, 12985456]

約数ペア:

[(1, 12985456), (2, 6492728), (4, 3246364), (8, 1623182), (11, 1180496), (16, 811591), (22, 590248), (44, 295124), (88, 147562), (89, 145904), (176, 73781), (178, 72952), (356, 36476), (712, 18238), (829, 15664), (979, 13264), (1424, 9119), (1658, 7832), (1958, 6632), (3316, 3916)]