28988226

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 67651200

約数和(自身を除く): 38662974

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 107, 173, 174, 214, 261, 321, 346, 519, 522, 642, 783, 963, 1038, 1557, 1566, 1926, 2889, 3103, 3114, 4671, 5017, 5778, 6206, 9309, 9342, 10034, 15051, 18511, 18618, 27927, 30102, 37022, 45153, 55533, 55854, 83781, 90306, 111066, 135459, 166599, 167562, 270918, 333198, 499797, 536819, 999594, 1073638, 1610457, 3220914, 4831371, 9662742, 14494113, 28988226]

約数ペア:

[(1, 28988226), (2, 14494113), (3, 9662742), (6, 4831371), (9, 3220914), (18, 1610457), (27, 1073638), (29, 999594), (54, 536819), (58, 499797), (87, 333198), (107, 270918), (173, 167562), (174, 166599), (214, 135459), (261, 111066), (321, 90306), (346, 83781), (519, 55854), (522, 55533), (642, 45153), (783, 37022), (963, 30102), (1038, 27927), (1557, 18618), (1566, 18511), (1926, 15051), (2889, 10034), (3103, 9342), (3114, 9309), (4671, 6206), (5017, 5778)]