645422128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 1385911296

約数和(自身を除く): 740489168

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 127, 208, 212, 254, 424, 461, 508, 689, 848, 922, 1016, 1378, 1651, 1844, 2032, 2756, 3302, 3688, 5512, 5993, 6604, 6731, 7376, 11024, 11986, 13208, 13462, 23972, 24433, 26416, 26924, 47944, 48866, 53848, 58547, 87503, 95888, 97732, 107696, 117094, 175006, 195464, 234188, 317629, 350012, 390928, 468376, 635258, 700024, 761111, 936752, 1270516, 1400048, 1522222, 2541032, 3044444, 3102991, 5082064, 6088888, 6205982, 12177776, 12411964, 24823928, 40338883, 49647856, 80677766, 161355532, 322711064, 645422128]

約数ペア:

[(1, 645422128), (2, 322711064), (4, 161355532), (8, 80677766), (13, 49647856), (16, 40338883), (26, 24823928), (52, 12411964), (53, 12177776), (104, 6205982), (106, 6088888), (127, 5082064), (208, 3102991), (212, 3044444), (254, 2541032), (424, 1522222), (461, 1400048), (508, 1270516), (689, 936752), (848, 761111), (922, 700024), (1016, 635258), (1378, 468376), (1651, 390928), (1844, 350012), (2032, 317629), (2756, 234188), (3302, 195464), (3688, 175006), (5512, 117094), (5993, 107696), (6604, 97732), (6731, 95888), (7376, 87503), (11024, 58547), (11986, 53848), (13208, 48866), (13462, 47944), (23972, 26924), (24433, 26416)]