77984725

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 124679520

約数和(自身を除く): 46694795

約数列:

[1, 5, 7, 13, 25, 35, 49, 59, 65, 83, 91, 175, 245, 295, 325, 413, 415, 455, 581, 637, 767, 1079, 1225, 1475, 2065, 2075, 2275, 2891, 2905, 3185, 3835, 4067, 4897, 5369, 5395, 7553, 10325, 14455, 14525, 15925, 19175, 20335, 24485, 26845, 26975, 34279, 37583, 37765, 52871, 63661, 72275, 101675, 122425, 134225, 171395, 187915, 188825, 239953, 264355, 318305, 445627, 856975, 939575, 1199765, 1321775, 1591525, 2228135, 3119389, 5998825, 11140675, 15596945, 77984725]

約数ペア:

[(1, 77984725), (5, 15596945), (7, 11140675), (13, 5998825), (25, 3119389), (35, 2228135), (49, 1591525), (59, 1321775), (65, 1199765), (83, 939575), (91, 856975), (175, 445627), (245, 318305), (295, 264355), (325, 239953), (413, 188825), (415, 187915), (455, 171395), (581, 134225), (637, 122425), (767, 101675), (1079, 72275), (1225, 63661), (1475, 52871), (2065, 37765), (2075, 37583), (2275, 34279), (2891, 26975), (2905, 26845), (3185, 24485), (3835, 20335), (4067, 19175), (4897, 15925), (5369, 14525), (5395, 14455), (7553, 10325)]