28216026

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:225

約数の個数: 80

約数和(自身を含む): 67953600

約数和(自身を除く): 39737574

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 89, 103, 114, 162, 171, 178, 206, 267, 309, 342, 513, 534, 618, 801, 927, 1026, 1539, 1602, 1691, 1854, 1957, 2403, 2781, 3078, 3382, 3914, 4806, 5073, 5562, 5871, 7209, 8343, 9167, 10146, 11742, 14418, 15219, 16686, 17613, 18334, 27501, 30438, 35226, 45657, 52839, 55002, 82503, 91314, 105678, 136971, 158517, 165006, 174173, 247509, 273942, 317034, 348346, 495018, 522519, 742527, 1045038, 1485054, 1567557, 3135114, 4702671, 9405342, 14108013, 28216026]

約数ペア:

[(1, 28216026), (2, 14108013), (3, 9405342), (6, 4702671), (9, 3135114), (18, 1567557), (19, 1485054), (27, 1045038), (38, 742527), (54, 522519), (57, 495018), (81, 348346), (89, 317034), (103, 273942), (114, 247509), (162, 174173), (171, 165006), (178, 158517), (206, 136971), (267, 105678), (309, 91314), (342, 82503), (513, 55002), (534, 52839), (618, 45657), (801, 35226), (927, 30438), (1026, 27501), (1539, 18334), (1602, 17613), (1691, 16686), (1854, 15219), (1957, 14418), (2403, 11742), (2781, 10146), (3078, 9167), (3382, 8343), (3914, 7209), (4806, 5871), (5073, 5562)]