51149368

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 102870000

約数和(自身を除く): 51720632

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 199, 356, 361, 398, 712, 722, 796, 1444, 1592, 1691, 2888, 3382, 3781, 6764, 7562, 13528, 15124, 17711, 30248, 32129, 35422, 64258, 70844, 71839, 128516, 141688, 143678, 257032, 287356, 336509, 574712, 673018, 1346036, 2692072, 6393671, 12787342, 25574684, 51149368]

約数ペア:

[(1, 51149368), (2, 25574684), (4, 12787342), (8, 6393671), (19, 2692072), (38, 1346036), (76, 673018), (89, 574712), (152, 336509), (178, 287356), (199, 257032), (356, 143678), (361, 141688), (398, 128516), (712, 71839), (722, 70844), (796, 64258), (1444, 35422), (1592, 32129), (1691, 30248), (2888, 17711), (3382, 15124), (3781, 13528), (6764, 7562)]