28604778

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 64385280

約数和(自身を除く): 35780502

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 89, 102, 137, 138, 178, 267, 274, 391, 411, 534, 782, 822, 1173, 1513, 2047, 2329, 2346, 3026, 3151, 4094, 4539, 4658, 6141, 6302, 6987, 9078, 9453, 12193, 12282, 13974, 18906, 24386, 34799, 36579, 53567, 69598, 73158, 104397, 107134, 160701, 207281, 208794, 280439, 321402, 414562, 560878, 621843, 841317, 1243686, 1682634, 4767463, 9534926, 14302389, 28604778]

約数ペア:

[(1, 28604778), (2, 14302389), (3, 9534926), (6, 4767463), (17, 1682634), (23, 1243686), (34, 841317), (46, 621843), (51, 560878), (69, 414562), (89, 321402), (102, 280439), (137, 208794), (138, 207281), (178, 160701), (267, 107134), (274, 104397), (391, 73158), (411, 69598), (534, 53567), (782, 36579), (822, 34799), (1173, 24386), (1513, 18906), (2047, 13974), (2329, 12282), (2346, 12193), (3026, 9453), (3151, 9078), (4094, 6987), (4539, 6302), (4658, 6141)]