217022982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:725

約数の個数: 64

約数和(自身を含む): 489984768

約数和(自身を除く): 272961786

約数列:

[1, 2, 3, 6, 11, 22, 33, 37, 66, 74, 111, 181, 222, 362, 407, 491, 543, 814, 982, 1086, 1221, 1473, 1991, 2442, 2946, 3982, 5401, 5973, 6697, 10802, 11946, 13394, 16203, 18167, 20091, 32406, 36334, 40182, 54501, 73667, 88871, 109002, 147334, 177742, 199837, 221001, 266613, 399674, 442002, 533226, 599511, 977581, 1199022, 1955162, 2932743, 3288227, 5865486, 6576454, 9864681, 19729362, 36170497, 72340994, 108511491, 217022982]

約数ペア:

[(1, 217022982), (2, 108511491), (3, 72340994), (6, 36170497), (11, 19729362), (22, 9864681), (33, 6576454), (37, 5865486), (66, 3288227), (74, 2932743), (111, 1955162), (181, 1199022), (222, 977581), (362, 599511), (407, 533226), (491, 442002), (543, 399674), (814, 266613), (982, 221001), (1086, 199837), (1221, 177742), (1473, 147334), (1991, 109002), (2442, 88871), (2946, 73667), (3982, 54501), (5401, 40182), (5973, 36334), (6697, 32406), (10802, 20091), (11946, 18167), (13394, 16203)]