221253404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 422822400

約数和(自身を除く): 201568996

約数列:

[1, 2, 4, 19, 38, 43, 76, 79, 86, 158, 172, 316, 817, 857, 1501, 1634, 1714, 3002, 3268, 3397, 3428, 6004, 6794, 13588, 16283, 32566, 36851, 64543, 65132, 67703, 73702, 129086, 135406, 147404, 258172, 270812, 700169, 1286357, 1400338, 2572714, 2800676, 2911229, 5145428, 5822458, 11644916, 55313351, 110626702, 221253404]

約数ペア:

[(1, 221253404), (2, 110626702), (4, 55313351), (19, 11644916), (38, 5822458), (43, 5145428), (76, 2911229), (79, 2800676), (86, 2572714), (158, 1400338), (172, 1286357), (316, 700169), (817, 270812), (857, 258172), (1501, 147404), (1634, 135406), (1714, 129086), (3002, 73702), (3268, 67703), (3397, 65132), (3428, 64543), (6004, 36851), (6794, 32566), (13588, 16283)]