28374156

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 77130144

約数和(自身を除く): 48755988

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 653, 852, 1207, 1278, 1306, 1959, 2414, 2556, 2612, 3621, 3918, 4828, 5877, 7242, 7836, 10863, 11101, 11754, 14484, 21726, 22202, 23508, 33303, 43452, 44404, 46363, 66606, 92726, 99909, 133212, 139089, 185452, 199818, 278178, 399636, 417267, 556356, 788171, 834534, 1576342, 1669068, 2364513, 3152684, 4729026, 7093539, 9458052, 14187078, 28374156]

約数ペア:

[(1, 28374156), (2, 14187078), (3, 9458052), (4, 7093539), (6, 4729026), (9, 3152684), (12, 2364513), (17, 1669068), (18, 1576342), (34, 834534), (36, 788171), (51, 556356), (68, 417267), (71, 399636), (102, 278178), (142, 199818), (153, 185452), (204, 139089), (213, 133212), (284, 99909), (306, 92726), (426, 66606), (612, 46363), (639, 44404), (653, 43452), (852, 33303), (1207, 23508), (1278, 22202), (1306, 21726), (1959, 14484), (2414, 11754), (2556, 11101), (2612, 10863), (3621, 7836), (3918, 7242), (4828, 5877)]