645349212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{2719}}^1$

素因数の和:3095

約数の個数: 72

約数和(自身を含む): 1722739200

約数和(自身を除く): 1077389988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 347, 684, 694, 1041, 1388, 2082, 2719, 3123, 4164, 5438, 6246, 6593, 8157, 10876, 12492, 13186, 16314, 19779, 24471, 26372, 32628, 39558, 48942, 51661, 59337, 79116, 97884, 103322, 118674, 154983, 206644, 237348, 309966, 464949, 619932, 929898, 943493, 1859796, 1886986, 2830479, 3773972, 5660958, 8491437, 11321916, 16982874, 17926367, 33965748, 35852734, 53779101, 71705468, 107558202, 161337303, 215116404, 322674606, 645349212]

約数ペア:

[(1, 645349212), (2, 322674606), (3, 215116404), (4, 161337303), (6, 107558202), (9, 71705468), (12, 53779101), (18, 35852734), (19, 33965748), (36, 17926367), (38, 16982874), (57, 11321916), (76, 8491437), (114, 5660958), (171, 3773972), (228, 2830479), (342, 1886986), (347, 1859796), (684, 943493), (694, 929898), (1041, 619932), (1388, 464949), (2082, 309966), (2719, 237348), (3123, 206644), (4164, 154983), (5438, 118674), (6246, 103322), (6593, 97884), (8157, 79116), (10876, 59337), (12492, 51661), (13186, 48942), (16314, 39558), (19779, 32628), (24471, 26372)]