217445688

素因数分解:

$2^3\times 3^3\times {\mathrm{47}}^1\times {\mathrm{21419}}^1$

素因数の和:21481

約数の個数: 64

約数和(自身を含む): 616896000

約数和(自身を除く): 399450312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 94, 108, 141, 188, 216, 282, 376, 423, 564, 846, 1128, 1269, 1692, 2538, 3384, 5076, 10152, 21419, 42838, 64257, 85676, 128514, 171352, 192771, 257028, 385542, 514056, 578313, 771084, 1006693, 1156626, 1542168, 2013386, 2313252, 3020079, 4026772, 4626504, 6040158, 8053544, 9060237, 12080316, 18120474, 24160632, 27180711, 36240948, 54361422, 72481896, 108722844, 217445688]

約数ペア:

[(1, 217445688), (2, 108722844), (3, 72481896), (4, 54361422), (6, 36240948), (8, 27180711), (9, 24160632), (12, 18120474), (18, 12080316), (24, 9060237), (27, 8053544), (36, 6040158), (47, 4626504), (54, 4026772), (72, 3020079), (94, 2313252), (108, 2013386), (141, 1542168), (188, 1156626), (216, 1006693), (282, 771084), (376, 578313), (423, 514056), (564, 385542), (846, 257028), (1128, 192771), (1269, 171352), (1692, 128514), (2538, 85676), (3384, 64257), (5076, 42838), (10152, 21419)]