39689312

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 87159240

約数和(自身を除く): 47469928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 169, 179, 208, 328, 338, 358, 416, 533, 656, 676, 716, 1066, 1312, 1352, 1432, 2132, 2327, 2704, 2864, 4264, 4654, 5408, 5728, 6929, 7339, 8528, 9308, 13858, 14678, 17056, 18616, 27716, 29356, 30251, 37232, 55432, 58712, 60502, 74464, 95407, 110864, 117424, 121004, 190814, 221728, 234848, 242008, 381628, 484016, 763256, 968032, 1240291, 1526512, 2480582, 3053024, 4961164, 9922328, 19844656, 39689312]

約数ペア:

[(1, 39689312), (2, 19844656), (4, 9922328), (8, 4961164), (13, 3053024), (16, 2480582), (26, 1526512), (32, 1240291), (41, 968032), (52, 763256), (82, 484016), (104, 381628), (164, 242008), (169, 234848), (179, 221728), (208, 190814), (328, 121004), (338, 117424), (358, 110864), (416, 95407), (533, 74464), (656, 60502), (676, 58712), (716, 55432), (1066, 37232), (1312, 30251), (1352, 29356), (1432, 27716), (2132, 18616), (2327, 17056), (2704, 14678), (2864, 13858), (4264, 9308), (4654, 8528), (5408, 7339), (5728, 6929)]