291621276

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:920

約数の個数: 96

約数和(自身を含む): 783713280

約数和(自身を除く): 492092004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 73, 94, 108, 141, 146, 188, 219, 282, 292, 423, 438, 564, 657, 787, 846, 876, 1269, 1314, 1574, 1692, 1971, 2361, 2538, 2628, 3148, 3431, 3942, 4722, 5076, 6862, 7083, 7884, 9444, 10293, 13724, 14166, 20586, 21249, 28332, 30879, 36989, 41172, 42498, 57451, 61758, 73978, 84996, 92637, 110967, 114902, 123516, 147956, 172353, 185274, 221934, 229804, 332901, 344706, 370548, 443868, 517059, 665802, 689412, 998703, 1034118, 1331604, 1551177, 1997406, 2068236, 2700197, 3102354, 3994812, 5400394, 6204708, 8100591, 10800788, 16201182, 24301773, 32402364, 48603546, 72905319, 97207092, 145810638, 291621276]

約数ペア:

[(1, 291621276), (2, 145810638), (3, 97207092), (4, 72905319), (6, 48603546), (9, 32402364), (12, 24301773), (18, 16201182), (27, 10800788), (36, 8100591), (47, 6204708), (54, 5400394), (73, 3994812), (94, 3102354), (108, 2700197), (141, 2068236), (146, 1997406), (188, 1551177), (219, 1331604), (282, 1034118), (292, 998703), (423, 689412), (438, 665802), (564, 517059), (657, 443868), (787, 370548), (846, 344706), (876, 332901), (1269, 229804), (1314, 221934), (1574, 185274), (1692, 172353), (1971, 147956), (2361, 123516), (2538, 114902), (2628, 110967), (3148, 92637), (3431, 84996), (3942, 73978), (4722, 61758), (5076, 57451), (6862, 42498), (7083, 41172), (7884, 36989), (9444, 30879), (10293, 28332), (13724, 21249), (14166, 20586)]