81346564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5413}}^1$

素因数の和:5464

約数の個数: 36

約数和(自身を含む): 162885604

約数和(自身を除く): 81539040

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 3757, 5413, 7514, 10826, 15028, 21652, 70369, 92021, 140738, 184042, 281476, 368084, 1196273, 1564357, 2392546, 3128714, 4785092, 6257428, 20336641, 40673282, 81346564]

約数ペア:

[(1, 81346564), (2, 40673282), (4, 20336641), (13, 6257428), (17, 4785092), (26, 3128714), (34, 2392546), (52, 1564357), (68, 1196273), (221, 368084), (289, 281476), (442, 184042), (578, 140738), (884, 92021), (1156, 70369), (3757, 21652), (5413, 15028), (7514, 10826)]