81951584

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17909}}^1$

素因数の和:17943

約数の個数: 48

約数和(自身を含む): 189559440

約数和(自身を除く): 107607856

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 17909, 35818, 71636, 143272, 196999, 232817, 286544, 393998, 465634, 573088, 787996, 931268, 1575992, 1862536, 2560987, 3151984, 3725072, 5121974, 6303968, 7450144, 10243948, 20487896, 40975792, 81951584]

約数ペア:

[(1, 81951584), (2, 40975792), (4, 20487896), (8, 10243948), (11, 7450144), (13, 6303968), (16, 5121974), (22, 3725072), (26, 3151984), (32, 2560987), (44, 1862536), (52, 1575992), (88, 931268), (104, 787996), (143, 573088), (176, 465634), (208, 393998), (286, 286544), (352, 232817), (416, 196999), (572, 143272), (1144, 71636), (2288, 35818), (4576, 17909)]