1378728

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 4132800

約数和(自身を除く): 2754072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 491, 702, 936, 982, 1404, 1473, 1964, 2808, 2946, 3928, 4419, 5892, 6383, 8838, 11784, 12766, 13257, 17676, 19149, 25532, 26514, 35352, 38298, 51064, 53028, 57447, 76596, 106056, 114894, 153192, 172341, 229788, 344682, 459576, 689364, 1378728]

約数ペア:

[(1, 1378728), (2, 689364), (3, 459576), (4, 344682), (6, 229788), (8, 172341), (9, 153192), (12, 114894), (13, 106056), (18, 76596), (24, 57447), (26, 53028), (27, 51064), (36, 38298), (39, 35352), (52, 26514), (54, 25532), (72, 19149), (78, 17676), (104, 13257), (108, 12766), (117, 11784), (156, 8838), (216, 6383), (234, 5892), (312, 4419), (351, 3928), (468, 2946), (491, 2808), (702, 1964), (936, 1473), (982, 1404)]