31939328

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 69536880

約数和(自身を除く): 37597552

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 64, 68, 82, 128, 136, 164, 179, 256, 272, 328, 358, 544, 656, 697, 716, 1088, 1312, 1394, 1432, 2176, 2624, 2788, 2864, 3043, 4352, 5248, 5576, 5728, 6086, 7339, 10496, 11152, 11456, 12172, 14678, 22304, 22912, 24344, 29356, 44608, 45824, 48688, 58712, 89216, 97376, 117424, 124763, 178432, 194752, 234848, 249526, 389504, 469696, 499052, 779008, 939392, 998104, 1878784, 1996208, 3992416, 7984832, 15969664, 31939328]

約数ペア:

[(1, 31939328), (2, 15969664), (4, 7984832), (8, 3992416), (16, 1996208), (17, 1878784), (32, 998104), (34, 939392), (41, 779008), (64, 499052), (68, 469696), (82, 389504), (128, 249526), (136, 234848), (164, 194752), (179, 178432), (256, 124763), (272, 117424), (328, 97376), (358, 89216), (544, 58712), (656, 48688), (697, 45824), (716, 44608), (1088, 29356), (1312, 24344), (1394, 22912), (1432, 22304), (2176, 14678), (2624, 12172), (2788, 11456), (2864, 11152), (3043, 10496), (4352, 7339), (5248, 6086), (5576, 5728)]