819894978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{138449}}^1$

素因数の和:138511

約数の個数: 48

約数和(自身を含む): 2073427200

約数和(自身を除く): 1253532222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 5922, 138449, 276898, 415347, 830694, 969143, 1246041, 1938286, 2492082, 2907429, 5814858, 6507103, 8722287, 13014206, 17444574, 19521309, 39042618, 45549721, 58563927, 91099442, 117127854, 136649163, 273298326, 409947489, 819894978]

約数ペア:

[(1, 819894978), (2, 409947489), (3, 273298326), (6, 136649163), (7, 117127854), (9, 91099442), (14, 58563927), (18, 45549721), (21, 39042618), (42, 19521309), (47, 17444574), (63, 13014206), (94, 8722287), (126, 6507103), (141, 5814858), (282, 2907429), (329, 2492082), (423, 1938286), (658, 1246041), (846, 969143), (987, 830694), (1974, 415347), (2961, 276898), (5922, 138449)]