989975886

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{280129}}^1$

素因数の和:280184

約数の個数: 32

約数和(自身を含む): 2151398400

約数和(自身を除く): 1161422514

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 114, 186, 589, 1178, 1767, 3534, 280129, 560258, 840387, 1680774, 5322451, 8683999, 10644902, 15967353, 17367998, 26051997, 31934706, 52103994, 164995981, 329991962, 494987943, 989975886]

約数ペア:

[(1, 989975886), (2, 494987943), (3, 329991962), (6, 164995981), (19, 52103994), (31, 31934706), (38, 26051997), (57, 17367998), (62, 15967353), (93, 10644902), (114, 8683999), (186, 5322451), (589, 1680774), (1178, 840387), (1767, 560258), (3534, 280129)]