178260028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{389}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 346731840

約数和(自身を除く): 168471812

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 293, 389, 391, 586, 778, 782, 1172, 1556, 1564, 4981, 6613, 6739, 8947, 9962, 13226, 13478, 17894, 19924, 26452, 26956, 35788, 113977, 114563, 152099, 227954, 229126, 304198, 455908, 458252, 608396, 1937609, 2621471, 3875218, 5242942, 7750436, 10485884, 44565007, 89130014, 178260028]

約数ペア:

[(1, 178260028), (2, 89130014), (4, 44565007), (17, 10485884), (23, 7750436), (34, 5242942), (46, 3875218), (68, 2621471), (92, 1937609), (293, 608396), (389, 458252), (391, 455908), (586, 304198), (778, 229126), (782, 227954), (1172, 152099), (1556, 114563), (1564, 113977), (4981, 35788), (6613, 26956), (6739, 26452), (8947, 19924), (9962, 17894), (13226, 13478)]