2129845328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{330311}}^1$

素因数の和:330363

約数の個数: 40

約数和(自身を含む): 4587373056

約数和(自身を除く): 2457527728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 330311, 660622, 1321244, 2642488, 4294043, 5284976, 8588086, 10239641, 17176172, 20479282, 34352344, 40958564, 68704688, 81917128, 133115333, 163834256, 266230666, 532461332, 1064922664, 2129845328]

約数ペア:

[(1, 2129845328), (2, 1064922664), (4, 532461332), (8, 266230666), (13, 163834256), (16, 133115333), (26, 81917128), (31, 68704688), (52, 40958564), (62, 34352344), (104, 20479282), (124, 17176172), (208, 10239641), (248, 8588086), (403, 5284976), (496, 4294043), (806, 2642488), (1612, 1321244), (3224, 660622), (6448, 330311)]