819005236

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{1291}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 1661201920

約数和(自身を除く): 842196684

約数列:

[1, 2, 4, 7, 14, 28, 139, 163, 278, 326, 556, 652, 973, 1141, 1291, 1946, 2282, 2582, 3892, 4564, 5164, 9037, 18074, 22657, 36148, 45314, 90628, 158599, 179449, 210433, 317198, 358898, 420866, 634396, 717796, 841732, 1256143, 1473031, 2512286, 2946062, 5024572, 5892124, 29250187, 58500374, 117000748, 204751309, 409502618, 819005236]

約数ペア:

[(1, 819005236), (2, 409502618), (4, 204751309), (7, 117000748), (14, 58500374), (28, 29250187), (139, 5892124), (163, 5024572), (278, 2946062), (326, 2512286), (556, 1473031), (652, 1256143), (973, 841732), (1141, 717796), (1291, 634396), (1946, 420866), (2282, 358898), (2582, 317198), (3892, 210433), (4564, 179449), (5164, 158599), (9037, 90628), (18074, 45314), (22657, 36148)]