65914990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^3\times {\mathrm{31}}^2$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 129407760

約数和(自身を除く): 63492770

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 361, 589, 722, 961, 1178, 1805, 1922, 2945, 3610, 4805, 5890, 6859, 9610, 11191, 13718, 18259, 22382, 34295, 36518, 55955, 68590, 91295, 111910, 182590, 212629, 346921, 425258, 693842, 1063145, 1734605, 2126290, 3469210, 6591499, 13182998, 32957495, 65914990]

約数ペア:

[(1, 65914990), (2, 32957495), (5, 13182998), (10, 6591499), (19, 3469210), (31, 2126290), (38, 1734605), (62, 1063145), (95, 693842), (155, 425258), (190, 346921), (310, 212629), (361, 182590), (589, 111910), (722, 91295), (961, 68590), (1178, 55955), (1805, 36518), (1922, 34295), (2945, 22382), (3610, 18259), (4805, 13718), (5890, 11191), (6859, 9610)]