912816410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{857}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 1877001984

約数和(自身を除く): 964185574

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 421, 506, 842, 857, 1265, 1714, 2105, 2530, 4210, 4285, 4631, 8570, 9262, 9427, 9683, 18854, 19366, 19711, 23155, 39422, 46310, 47135, 48415, 94270, 96830, 98555, 106513, 197110, 213026, 216821, 360797, 433642, 532565, 721594, 1065130, 1084105, 1803985, 2168210, 3607970, 3968767, 7937534, 8298331, 16596662, 19843835, 39687670, 41491655, 82983310, 91281641, 182563282, 456408205, 912816410]

約数ペア:

[(1, 912816410), (2, 456408205), (5, 182563282), (10, 91281641), (11, 82983310), (22, 41491655), (23, 39687670), (46, 19843835), (55, 16596662), (110, 8298331), (115, 7937534), (230, 3968767), (253, 3607970), (421, 2168210), (506, 1803985), (842, 1084105), (857, 1065130), (1265, 721594), (1714, 532565), (2105, 433642), (2530, 360797), (4210, 216821), (4285, 213026), (4631, 197110), (8570, 106513), (9262, 98555), (9427, 96830), (9683, 94270), (18854, 48415), (19366, 47135), (19711, 46310), (23155, 39422)]