519887888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1672

約数の個数: 80

約数和(自身を含む): 1140718656

約数和(自身を除く): 620830768

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 43, 52, 74, 86, 104, 148, 172, 208, 296, 344, 481, 559, 592, 688, 962, 1118, 1571, 1591, 1924, 2236, 3142, 3182, 3848, 4472, 6284, 6364, 7696, 8944, 12568, 12728, 20423, 20683, 25136, 25456, 40846, 41366, 58127, 67553, 81692, 82732, 116254, 135106, 163384, 165464, 232508, 270212, 326768, 330928, 465016, 540424, 755651, 878189, 930032, 1080848, 1511302, 1756378, 2499461, 3022604, 3512756, 4998922, 6045208, 7025512, 9997844, 12090416, 14051024, 19995688, 32492993, 39991376, 64985986, 129971972, 259943944, 519887888]

約数ペア:

[(1, 519887888), (2, 259943944), (4, 129971972), (8, 64985986), (13, 39991376), (16, 32492993), (26, 19995688), (37, 14051024), (43, 12090416), (52, 9997844), (74, 7025512), (86, 6045208), (104, 4998922), (148, 3512756), (172, 3022604), (208, 2499461), (296, 1756378), (344, 1511302), (481, 1080848), (559, 930032), (592, 878189), (688, 755651), (962, 540424), (1118, 465016), (1571, 330928), (1591, 326768), (1924, 270212), (2236, 232508), (3142, 165464), (3182, 163384), (3848, 135106), (4472, 116254), (6284, 82732), (6364, 81692), (7696, 67553), (8944, 58127), (12568, 41366), (12728, 40846), (20423, 25456), (20683, 25136)]