31881354

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 69128640

約数和(自身を除く): 37247286

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 114, 123, 246, 359, 361, 718, 722, 779, 1077, 1083, 1558, 2154, 2166, 2337, 4674, 6821, 13642, 14719, 14801, 20463, 29438, 29602, 40926, 44157, 44403, 88314, 88806, 129599, 259198, 279661, 388797, 559322, 777594, 838983, 1677966, 5313559, 10627118, 15940677, 31881354]

約数ペア:

[(1, 31881354), (2, 15940677), (3, 10627118), (6, 5313559), (19, 1677966), (38, 838983), (41, 777594), (57, 559322), (82, 388797), (114, 279661), (123, 259198), (246, 129599), (359, 88806), (361, 88314), (718, 44403), (722, 44157), (779, 40926), (1077, 29602), (1083, 29438), (1558, 20463), (2154, 14801), (2166, 14719), (2337, 13642), (4674, 6821)]