2891036954281

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1444999}}^1$

素因数の和:1445346

約数の個数: 32

約数和(自身を含む): 3560480000000

約数和(自身を除く): 669443045719

約数列:

[1, 7, 19, 49, 133, 307, 343, 931, 2149, 5833, 6517, 15043, 40831, 105301, 285817, 1444999, 2000719, 10114993, 27454981, 70804951, 192184867, 443614693, 495634657, 1345294069, 3105302851, 8428679167, 9417058483, 21737119957, 59000754169, 152159839699, 413005279183, 2891036954281]

約数ペア:

[(1, 2891036954281), (7, 413005279183), (19, 152159839699), (49, 59000754169), (133, 21737119957), (307, 9417058483), (343, 8428679167), (931, 3105302851), (2149, 1345294069), (5833, 495634657), (6517, 443614693), (15043, 192184867), (40831, 70804951), (105301, 27454981), (285817, 10114993), (1444999, 2000719)]