981241996

素因数分解:

$2^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1\times {\mathrm{541}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 1981864192

約数和(自身を除く): 1000622196

約数列:

[1, 2, 4, 7, 14, 28, 211, 307, 422, 541, 614, 844, 1082, 1228, 1477, 2149, 2164, 2954, 3787, 4298, 5908, 7574, 8596, 15148, 64777, 114151, 129554, 166087, 228302, 259108, 332174, 453439, 456604, 664348, 799057, 906878, 1162609, 1598114, 1813756, 2325218, 3196228, 4650436, 35044357, 70088714, 140177428, 245310499, 490620998, 981241996]

約数ペア:

[(1, 981241996), (2, 490620998), (4, 245310499), (7, 140177428), (14, 70088714), (28, 35044357), (211, 4650436), (307, 3196228), (422, 2325218), (541, 1813756), (614, 1598114), (844, 1162609), (1082, 906878), (1228, 799057), (1477, 664348), (2149, 456604), (2164, 453439), (2954, 332174), (3787, 259108), (4298, 228302), (5908, 166087), (7574, 129554), (8596, 114151), (15148, 64777)]