221888406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{20353}}^1$

素因数の和:20460

約数の個数: 32

約数和(自身を含む): 468956160

約数和(自身を除く): 247067754

約数列:

[1, 2, 3, 6, 23, 46, 69, 79, 138, 158, 237, 474, 1817, 3634, 5451, 10902, 20353, 40706, 61059, 122118, 468119, 936238, 1404357, 1607887, 2808714, 3215774, 4823661, 9647322, 36981401, 73962802, 110944203, 221888406]

約数ペア:

[(1, 221888406), (2, 110944203), (3, 73962802), (6, 36981401), (23, 9647322), (46, 4823661), (69, 3215774), (79, 2808714), (138, 1607887), (158, 1404357), (237, 936238), (474, 468119), (1817, 122118), (3634, 61059), (5451, 40706), (10902, 20353)]