720616

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{41}}^1$

素因数の和:86

約数の個数: 32

約数和(自身を含む): 1499400

約数和(自身を除く): 778784

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 169, 328, 338, 533, 676, 1066, 1352, 2132, 2197, 4264, 4394, 6929, 8788, 13858, 17576, 27716, 55432, 90077, 180154, 360308, 720616]

約数ペア:

[(1, 720616), (2, 360308), (4, 180154), (8, 90077), (13, 55432), (26, 27716), (41, 17576), (52, 13858), (82, 8788), (104, 6929), (164, 4394), (169, 4264), (328, 2197), (338, 2132), (533, 1352), (676, 1066)]