90990185

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{503}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 135136512

約数和(自身を除く): 44146327

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 121, 143, 253, 299, 503, 605, 715, 1265, 1495, 1573, 2515, 2783, 3289, 5533, 6539, 7865, 11569, 13915, 16445, 27665, 32695, 36179, 57845, 60863, 71929, 127259, 150397, 180895, 304315, 359645, 636295, 751985, 791219, 1399849, 1654367, 3956095, 6999245, 8271835, 18198037, 90990185]

約数ペア:

[(1, 90990185), (5, 18198037), (11, 8271835), (13, 6999245), (23, 3956095), (55, 1654367), (65, 1399849), (115, 791219), (121, 751985), (143, 636295), (253, 359645), (299, 304315), (503, 180895), (605, 150397), (715, 127259), (1265, 71929), (1495, 60863), (1573, 57845), (2515, 36179), (2783, 32695), (3289, 27665), (5533, 16445), (6539, 13915), (7865, 11569)]