381416

素因数分解:

$2^3\times 7^3\times {\mathrm{139}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 840000

約数和(自身を除く): 458584

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 139, 196, 278, 343, 392, 556, 686, 973, 1112, 1372, 1946, 2744, 3892, 6811, 7784, 13622, 27244, 47677, 54488, 95354, 190708, 381416]

約数ペア:

[(1, 381416), (2, 190708), (4, 95354), (7, 54488), (8, 47677), (14, 27244), (28, 13622), (49, 7784), (56, 6811), (98, 3892), (139, 2744), (196, 1946), (278, 1372), (343, 1112), (392, 973), (556, 686)]