261647586

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{1021}}^1$

素因数の和:1671

約数の個数: 48

約数和(自身を含む): 593087040

約数和(自身を除く): 331439454

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 619, 1021, 1238, 1857, 2042, 3063, 3714, 5571, 6126, 9189, 11142, 14237, 18378, 23483, 28474, 42711, 46966, 70449, 85422, 128133, 140898, 211347, 256266, 422694, 631999, 1263998, 1895997, 3791994, 5687991, 11375982, 14535977, 29071954, 43607931, 87215862, 130823793, 261647586]

約数ペア:

[(1, 261647586), (2, 130823793), (3, 87215862), (6, 43607931), (9, 29071954), (18, 14535977), (23, 11375982), (46, 5687991), (69, 3791994), (138, 1895997), (207, 1263998), (414, 631999), (619, 422694), (1021, 256266), (1238, 211347), (1857, 140898), (2042, 128133), (3063, 85422), (3714, 70449), (5571, 46966), (6126, 42711), (9189, 28474), (11142, 23483), (14237, 18378)]