177995356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 395756928

約数和(自身を除く): 217761572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 107, 121, 154, 214, 242, 308, 428, 484, 491, 749, 847, 982, 1177, 1498, 1694, 1964, 2354, 2996, 3388, 3437, 4708, 5401, 6874, 8239, 10802, 12947, 13748, 16478, 21604, 25894, 32956, 37807, 51788, 52537, 59411, 75614, 90629, 105074, 118822, 151228, 181258, 210148, 237644, 362516, 367759, 415877, 577907, 735518, 831754, 1155814, 1471036, 1663508, 2311628, 4045349, 6356977, 8090698, 12713954, 16181396, 25427908, 44498839, 88997678, 177995356]

約数ペア:

[(1, 177995356), (2, 88997678), (4, 44498839), (7, 25427908), (11, 16181396), (14, 12713954), (22, 8090698), (28, 6356977), (44, 4045349), (77, 2311628), (107, 1663508), (121, 1471036), (154, 1155814), (214, 831754), (242, 735518), (308, 577907), (428, 415877), (484, 367759), (491, 362516), (749, 237644), (847, 210148), (982, 181258), (1177, 151228), (1498, 118822), (1694, 105074), (1964, 90629), (2354, 75614), (2996, 59411), (3388, 52537), (3437, 51788), (4708, 37807), (5401, 32956), (6874, 25894), (8239, 21604), (10802, 16478), (12947, 13748)]