28675196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 56754432

約数和(自身を除く): 28079236

約数列:

[1, 2, 4, 11, 22, 44, 67, 71, 134, 137, 142, 268, 274, 284, 548, 737, 781, 1474, 1507, 1562, 2948, 3014, 3124, 4757, 6028, 9179, 9514, 9727, 18358, 19028, 19454, 36716, 38908, 52327, 100969, 104654, 106997, 201938, 209308, 213994, 403876, 427988, 651709, 1303418, 2606836, 7168799, 14337598, 28675196]

約数ペア:

[(1, 28675196), (2, 14337598), (4, 7168799), (11, 2606836), (22, 1303418), (44, 651709), (67, 427988), (71, 403876), (134, 213994), (137, 209308), (142, 201938), (268, 106997), (274, 104654), (284, 100969), (548, 52327), (737, 38908), (781, 36716), (1474, 19454), (1507, 19028), (1562, 18358), (2948, 9727), (3014, 9514), (3124, 9179), (4757, 6028)]