217990696

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 523998720

約数和(自身を除く): 306008024

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 53, 56, 77, 88, 106, 121, 154, 212, 242, 308, 371, 424, 484, 583, 607, 616, 742, 847, 968, 1166, 1214, 1484, 1694, 2332, 2428, 2968, 3388, 4081, 4249, 4664, 4856, 6413, 6677, 6776, 8162, 8498, 12826, 13354, 16324, 16996, 25652, 26708, 32171, 32648, 33992, 44891, 46739, 51304, 53416, 64342, 73447, 89782, 93478, 128684, 146894, 179564, 186956, 225197, 257368, 293788, 353881, 359128, 373912, 450394, 514129, 587576, 707762, 900788, 1028258, 1415524, 1801576, 2056516, 2477167, 2831048, 3892691, 4113032, 4954334, 7785382, 9908668, 15570764, 19817336, 27248837, 31141528, 54497674, 108995348, 217990696]

約数ペア:

[(1, 217990696), (2, 108995348), (4, 54497674), (7, 31141528), (8, 27248837), (11, 19817336), (14, 15570764), (22, 9908668), (28, 7785382), (44, 4954334), (53, 4113032), (56, 3892691), (77, 2831048), (88, 2477167), (106, 2056516), (121, 1801576), (154, 1415524), (212, 1028258), (242, 900788), (308, 707762), (371, 587576), (424, 514129), (484, 450394), (583, 373912), (607, 359128), (616, 353881), (742, 293788), (847, 257368), (968, 225197), (1166, 186956), (1214, 179564), (1484, 146894), (1694, 128684), (2332, 93478), (2428, 89782), (2968, 73447), (3388, 64342), (4081, 53416), (4249, 51304), (4664, 46739), (4856, 44891), (6413, 33992), (6677, 32648), (6776, 32171), (8162, 26708), (8498, 25652), (12826, 16996), (13354, 16324)]