213959916

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1695

約数の個数: 72

約数和(自身を含む): 559999440

約数和(自身を除く): 346039524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 89, 129, 172, 178, 258, 267, 356, 387, 516, 534, 774, 801, 1068, 1548, 1553, 1602, 3106, 3204, 3827, 4659, 6212, 7654, 9318, 11481, 13977, 15308, 18636, 22962, 27954, 34443, 45924, 55908, 66779, 68886, 133558, 137772, 138217, 200337, 267116, 276434, 400674, 414651, 552868, 601011, 801348, 829302, 1202022, 1243953, 1658604, 2404044, 2487906, 4975812, 5943331, 11886662, 17829993, 23773324, 35659986, 53489979, 71319972, 106979958, 213959916]

約数ペア:

[(1, 213959916), (2, 106979958), (3, 71319972), (4, 53489979), (6, 35659986), (9, 23773324), (12, 17829993), (18, 11886662), (36, 5943331), (43, 4975812), (86, 2487906), (89, 2404044), (129, 1658604), (172, 1243953), (178, 1202022), (258, 829302), (267, 801348), (356, 601011), (387, 552868), (516, 414651), (534, 400674), (774, 276434), (801, 267116), (1068, 200337), (1548, 138217), (1553, 137772), (1602, 133558), (3106, 68886), (3204, 66779), (3827, 55908), (4659, 45924), (6212, 34443), (7654, 27954), (9318, 22962), (11481, 18636), (13977, 15308)]