31279556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2477}}^1$

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 69939072

約数和(自身を除く): 38659516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 2477, 3157, 4954, 6314, 9908, 12628, 17339, 27247, 34678, 54494, 69356, 101557, 108988, 190729, 203114, 381458, 406228, 710899, 762916, 1117127, 1421798, 2234254, 2843596, 4468508, 7819889, 15639778, 31279556]

約数ペア:

[(1, 31279556), (2, 15639778), (4, 7819889), (7, 4468508), (11, 2843596), (14, 2234254), (22, 1421798), (28, 1117127), (41, 762916), (44, 710899), (77, 406228), (82, 381458), (154, 203114), (164, 190729), (287, 108988), (308, 101557), (451, 69356), (574, 54494), (902, 34678), (1148, 27247), (1804, 17339), (2477, 12628), (3157, 9908), (4954, 6314)]