28459470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72973}}^1$

素因数の和:72996

約数の個数: 32

約数和(自身を含む): 73557792

約数和(自身を除く): 45098322

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72973, 145946, 218919, 364865, 437838, 729730, 948649, 1094595, 1897298, 2189190, 2845947, 4743245, 5691894, 9486490, 14229735, 28459470]

約数ペア:

[(1, 28459470), (2, 14229735), (3, 9486490), (5, 5691894), (6, 4743245), (10, 2845947), (13, 2189190), (15, 1897298), (26, 1094595), (30, 948649), (39, 729730), (65, 437838), (78, 364865), (130, 218919), (195, 145946), (390, 72973)]