81933384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{839}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 221558400

約数和(自身を除く): 139625016

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 313, 626, 839, 939, 1252, 1678, 1878, 2504, 2517, 3356, 3756, 4069, 5034, 6712, 7512, 8138, 10068, 10907, 12207, 16276, 20136, 21814, 24414, 32552, 32721, 43628, 48828, 65442, 87256, 97656, 130884, 261768, 262607, 525214, 787821, 1050428, 1575642, 2100856, 3151284, 3413891, 6302568, 6827782, 10241673, 13655564, 20483346, 27311128, 40966692, 81933384]

約数ペア:

[(1, 81933384), (2, 40966692), (3, 27311128), (4, 20483346), (6, 13655564), (8, 10241673), (12, 6827782), (13, 6302568), (24, 3413891), (26, 3151284), (39, 2100856), (52, 1575642), (78, 1050428), (104, 787821), (156, 525214), (312, 262607), (313, 261768), (626, 130884), (839, 97656), (939, 87256), (1252, 65442), (1678, 48828), (1878, 43628), (2504, 32721), (2517, 32552), (3356, 24414), (3756, 21814), (4069, 20136), (5034, 16276), (6712, 12207), (7512, 10907), (8138, 10068)]