646565605

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 938027520

約数和(自身を除く): 291461915

約数列:

[1, 5, 7, 31, 35, 47, 155, 217, 235, 329, 409, 961, 1085, 1457, 1645, 2045, 2863, 4805, 6727, 7285, 10199, 12679, 14315, 19223, 33635, 45167, 50995, 63395, 88753, 96115, 134561, 225835, 316169, 393049, 443765, 595913, 672805, 1580845, 1965245, 2751343, 2979565, 4171391, 13756715, 18473303, 20856955, 92366515, 129313121, 646565605]

約数ペア:

[(1, 646565605), (5, 129313121), (7, 92366515), (31, 20856955), (35, 18473303), (47, 13756715), (155, 4171391), (217, 2979565), (235, 2751343), (329, 1965245), (409, 1580845), (961, 672805), (1085, 595913), (1457, 443765), (1645, 393049), (2045, 316169), (2863, 225835), (4805, 134561), (6727, 96115), (7285, 88753), (10199, 63395), (12679, 50995), (14315, 45167), (19223, 33635)]