71827868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 150226944

約数和(自身を除く): 78399076

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 83, 124, 166, 217, 332, 434, 581, 868, 997, 1162, 1994, 2324, 2573, 3988, 5146, 6979, 10292, 13958, 18011, 27916, 30907, 36022, 61814, 72044, 82751, 123628, 165502, 216349, 331004, 432698, 579257, 865396, 1158514, 2317028, 2565281, 5130562, 10261124, 17956967, 35913934, 71827868]

約数ペア:

[(1, 71827868), (2, 35913934), (4, 17956967), (7, 10261124), (14, 5130562), (28, 2565281), (31, 2317028), (62, 1158514), (83, 865396), (124, 579257), (166, 432698), (217, 331004), (332, 216349), (434, 165502), (581, 123628), (868, 82751), (997, 72044), (1162, 61814), (1994, 36022), (2324, 30907), (2573, 27916), (3988, 18011), (5146, 13958), (6979, 10292)]