28881996

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16831}}^1$

素因数の和:16862

約数の個数: 48

約数和(自身を含む): 79177728

約数和(自身を除く): 50295732

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 16831, 33662, 50493, 67324, 100986, 185141, 201972, 218803, 370282, 437606, 555423, 656409, 740564, 875212, 1110846, 1312818, 2221692, 2406833, 2625636, 4813666, 7220499, 9627332, 14440998, 28881996]

約数ペア:

[(1, 28881996), (2, 14440998), (3, 9627332), (4, 7220499), (6, 4813666), (11, 2625636), (12, 2406833), (13, 2221692), (22, 1312818), (26, 1110846), (33, 875212), (39, 740564), (44, 656409), (52, 555423), (66, 437606), (78, 370282), (132, 218803), (143, 201972), (156, 185141), (286, 100986), (429, 67324), (572, 50493), (858, 33662), (1716, 16831)]