142872895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 198941184

約数和(自身を除く): 56068289

約数列:

[1, 5, 11, 23, 53, 55, 115, 253, 265, 583, 1219, 1265, 2131, 2915, 6095, 10655, 13409, 23441, 49013, 67045, 112943, 117205, 245065, 539143, 564715, 1242373, 2597689, 2695715, 6211865, 12988445, 28574579, 142872895]

約数ペア:

[(1, 142872895), (5, 28574579), (11, 12988445), (23, 6211865), (53, 2695715), (55, 2597689), (115, 1242373), (253, 564715), (265, 539143), (583, 245065), (1219, 117205), (1265, 112943), (2131, 67045), (2915, 49013), (6095, 23441), (10655, 13409)]