219408318

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:814

約数の個数: 64

約数和(自身を含む): 500774400

約数和(自身を除く): 281366082

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 89, 142, 178, 213, 267, 426, 534, 639, 643, 801, 1278, 1286, 1602, 1917, 1929, 2403, 3834, 3858, 4806, 5787, 6319, 11574, 12638, 17361, 18957, 34722, 37914, 45653, 56871, 57227, 91306, 113742, 114454, 136959, 170613, 171681, 273918, 341226, 343362, 410877, 515043, 821754, 1030086, 1232631, 1545129, 2465262, 3090258, 4063117, 8126234, 12189351, 24378702, 36568053, 73136106, 109704159, 219408318]

約数ペア:

[(1, 219408318), (2, 109704159), (3, 73136106), (6, 36568053), (9, 24378702), (18, 12189351), (27, 8126234), (54, 4063117), (71, 3090258), (89, 2465262), (142, 1545129), (178, 1232631), (213, 1030086), (267, 821754), (426, 515043), (534, 410877), (639, 343362), (643, 341226), (801, 273918), (1278, 171681), (1286, 170613), (1602, 136959), (1917, 114454), (1929, 113742), (2403, 91306), (3834, 57227), (3858, 56871), (4806, 45653), (5787, 37914), (6319, 34722), (11574, 18957), (12638, 17361)]