217864458

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12263}}^1$

素因数の和:12328

約数の個数: 64

約数和(自身を含む): 565125120

約数和(自身を除く): 347260662

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 47, 54, 63, 94, 126, 141, 189, 282, 329, 378, 423, 658, 846, 987, 1269, 1974, 2538, 2961, 5922, 8883, 12263, 17766, 24526, 36789, 73578, 85841, 110367, 171682, 220734, 257523, 331101, 515046, 576361, 662202, 772569, 1152722, 1545138, 1729083, 2317707, 3458166, 4034527, 4635414, 5187249, 8069054, 10374498, 12103581, 15561747, 24207162, 31123494, 36310743, 72621486, 108932229, 217864458]

約数ペア:

[(1, 217864458), (2, 108932229), (3, 72621486), (6, 36310743), (7, 31123494), (9, 24207162), (14, 15561747), (18, 12103581), (21, 10374498), (27, 8069054), (42, 5187249), (47, 4635414), (54, 4034527), (63, 3458166), (94, 2317707), (126, 1729083), (141, 1545138), (189, 1152722), (282, 772569), (329, 662202), (378, 576361), (423, 515046), (658, 331101), (846, 257523), (987, 220734), (1269, 171682), (1974, 110367), (2538, 85841), (2961, 73578), (5922, 36789), (8883, 24526), (12263, 17766)]