9876790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 22560768

約数和(自身を除く): 12683978

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 127, 154, 202, 254, 385, 505, 635, 707, 770, 889, 1010, 1111, 1270, 1397, 1414, 1778, 2222, 2794, 3535, 4445, 5555, 6985, 7070, 7777, 8890, 9779, 11110, 12827, 13970, 15554, 19558, 25654, 38885, 48895, 64135, 77770, 89789, 97790, 128270, 141097, 179578, 282194, 448945, 705485, 897890, 987679, 1410970, 1975358, 4938395, 9876790]

約数ペア:

[(1, 9876790), (2, 4938395), (5, 1975358), (7, 1410970), (10, 987679), (11, 897890), (14, 705485), (22, 448945), (35, 282194), (55, 179578), (70, 141097), (77, 128270), (101, 97790), (110, 89789), (127, 77770), (154, 64135), (202, 48895), (254, 38885), (385, 25654), (505, 19558), (635, 15554), (707, 13970), (770, 12827), (889, 11110), (1010, 9779), (1111, 8890), (1270, 7777), (1397, 7070), (1414, 6985), (1778, 5555), (2222, 4445), (2794, 3535)]