78371258

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 72586822

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 103, 119, 139, 161, 206, 238, 278, 322, 391, 721, 782, 973, 1442, 1751, 1946, 2363, 2369, 2737, 3197, 3502, 4726, 4738, 5474, 6394, 12257, 14317, 16541, 16583, 22379, 24514, 28634, 33082, 33166, 40273, 44758, 54349, 80546, 100219, 108698, 200438, 243389, 281911, 329291, 380443, 486778, 563822, 658582, 760886, 1703723, 2305037, 3407446, 4610074, 5597947, 11195894, 39185629, 78371258]

約数ペア:

[(1, 78371258), (2, 39185629), (7, 11195894), (14, 5597947), (17, 4610074), (23, 3407446), (34, 2305037), (46, 1703723), (103, 760886), (119, 658582), (139, 563822), (161, 486778), (206, 380443), (238, 329291), (278, 281911), (322, 243389), (391, 200438), (721, 108698), (782, 100219), (973, 80546), (1442, 54349), (1751, 44758), (1946, 40273), (2363, 33166), (2369, 33082), (2737, 28634), (3197, 24514), (3502, 22379), (4726, 16583), (4738, 16541), (5474, 14317), (6394, 12257)]