12891472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{823}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 27587520

約数和(自身を除く): 14696048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 823, 979, 1424, 1646, 1958, 3292, 3916, 6584, 7832, 9053, 13168, 15664, 18106, 36212, 72424, 73247, 144848, 146494, 292988, 585976, 805717, 1171952, 1611434, 3222868, 6445736, 12891472]

約数ペア:

[(1, 12891472), (2, 6445736), (4, 3222868), (8, 1611434), (11, 1171952), (16, 805717), (22, 585976), (44, 292988), (88, 146494), (89, 144848), (176, 73247), (178, 72424), (356, 36212), (712, 18106), (823, 15664), (979, 13168), (1424, 9053), (1646, 7832), (1958, 6584), (3292, 3916)]