320121464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{701}}^1\times {\mathrm{4391}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 647468640

約数和(自身を除く): 327347176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 701, 1402, 2804, 4391, 5608, 8782, 9113, 17564, 18226, 35128, 36452, 57083, 72904, 114166, 228332, 456664, 3078091, 6156182, 12312364, 24624728, 40015183, 80030366, 160060732, 320121464]

約数ペア:

[(1, 320121464), (2, 160060732), (4, 80030366), (8, 40015183), (13, 24624728), (26, 12312364), (52, 6156182), (104, 3078091), (701, 456664), (1402, 228332), (2804, 114166), (4391, 72904), (5608, 57083), (8782, 36452), (9113, 35128), (17564, 18226)]