217551412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1523}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 426549312

約数和(自身を除く): 208997900

約数列:

[1, 2, 4, 13, 26, 41, 52, 67, 82, 134, 164, 268, 533, 871, 1066, 1523, 1742, 2132, 2747, 3046, 3484, 5494, 6092, 10988, 19799, 35711, 39598, 62443, 71422, 79196, 102041, 124886, 142844, 204082, 249772, 408164, 811759, 1326533, 1623518, 2653066, 3247036, 4183681, 5306132, 8367362, 16734724, 54387853, 108775706, 217551412]

約数ペア:

[(1, 217551412), (2, 108775706), (4, 54387853), (13, 16734724), (26, 8367362), (41, 5306132), (52, 4183681), (67, 3247036), (82, 2653066), (134, 1623518), (164, 1326533), (268, 811759), (533, 408164), (871, 249772), (1066, 204082), (1523, 142844), (1742, 124886), (2132, 102041), (2747, 79196), (3046, 71422), (3484, 62443), (5494, 39598), (6092, 35711), (10988, 19799)]