780431146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 1339804800

約数和(自身を除く): 559373654

約数列:

[1, 2, 11, 22, 41, 47, 82, 94, 449, 451, 517, 898, 902, 1034, 1681, 1927, 3362, 3854, 4939, 9878, 18409, 18491, 21103, 21197, 36818, 36982, 42206, 42394, 79007, 158014, 202499, 232133, 404998, 464266, 754769, 865223, 869077, 1509538, 1730446, 1738154, 8302459, 9517453, 16604918, 19034906, 35474143, 70948286, 390215573, 780431146]

約数ペア:

[(1, 780431146), (2, 390215573), (11, 70948286), (22, 35474143), (41, 19034906), (47, 16604918), (82, 9517453), (94, 8302459), (449, 1738154), (451, 1730446), (517, 1509538), (898, 869077), (902, 865223), (1034, 754769), (1681, 464266), (1927, 404998), (3362, 232133), (3854, 202499), (4939, 158014), (9878, 79007), (18409, 42394), (18491, 42206), (21103, 36982), (21197, 36818)]