221424678

素因数分解:

$2^1\times 3^4\times {\mathrm{719}}^1\times {\mathrm{1901}}^1$

素因数の和:2634

約数の個数: 40

約数和(自身を含む): 497106720

約数和(自身を除く): 275682042

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 719, 1438, 1901, 2157, 3802, 4314, 5703, 6471, 11406, 12942, 17109, 19413, 34218, 38826, 51327, 58239, 102654, 116478, 153981, 307962, 1366819, 2733638, 4100457, 8200914, 12301371, 24602742, 36904113, 73808226, 110712339, 221424678]

約数ペア:

[(1, 221424678), (2, 110712339), (3, 73808226), (6, 36904113), (9, 24602742), (18, 12301371), (27, 8200914), (54, 4100457), (81, 2733638), (162, 1366819), (719, 307962), (1438, 153981), (1901, 116478), (2157, 102654), (3802, 58239), (4314, 51327), (5703, 38826), (6471, 34218), (11406, 19413), (12942, 17109)]