157215388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2214

約数の個数: 48

約数和(自身を含む): 321094368

約数和(自身を除く): 163878980

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 101, 187, 202, 374, 404, 748, 1111, 1717, 2081, 2222, 3434, 4162, 4444, 6868, 8324, 18887, 22891, 35377, 37774, 45782, 70754, 75548, 91564, 141508, 210181, 389147, 420362, 778294, 840724, 1556588, 2311991, 3573077, 4623982, 7146154, 9247964, 14292308, 39303847, 78607694, 157215388]

約数ペア:

[(1, 157215388), (2, 78607694), (4, 39303847), (11, 14292308), (17, 9247964), (22, 7146154), (34, 4623982), (44, 3573077), (68, 2311991), (101, 1556588), (187, 840724), (202, 778294), (374, 420362), (404, 389147), (748, 210181), (1111, 141508), (1717, 91564), (2081, 75548), (2222, 70754), (3434, 45782), (4162, 37774), (4444, 35377), (6868, 22891), (8324, 18887)]