1320785557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{7603}}^1$

素因数の和:7729

約数の個数: 32

約数和(自身を含む): 1716922368

約数和(自身を除く): 396136811

約数列:

[1, 7, 13, 23, 83, 91, 161, 299, 581, 1079, 1909, 2093, 7553, 7603, 13363, 24817, 53221, 98839, 173719, 174869, 631049, 691873, 1224083, 2273297, 4417343, 8203637, 14514127, 15913079, 57425459, 101598889, 188683651, 1320785557]

約数ペア:

[(1, 1320785557), (7, 188683651), (13, 101598889), (23, 57425459), (83, 15913079), (91, 14514127), (161, 8203637), (299, 4417343), (581, 2273297), (1079, 1224083), (1909, 691873), (2093, 631049), (7553, 174869), (7603, 173719), (13363, 98839), (24817, 53221)]