64835408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{947}}^1$

素因数の和:1355

約数の個数: 40

約数和(自身を含む): 137535840

約数和(自身を除く): 72700432

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 389, 778, 947, 1556, 1894, 3112, 3788, 4279, 6224, 7576, 8558, 10417, 15152, 17116, 20834, 34232, 41668, 68464, 83336, 166672, 368383, 736766, 1473532, 2947064, 4052213, 5894128, 8104426, 16208852, 32417704, 64835408]

約数ペア:

[(1, 64835408), (2, 32417704), (4, 16208852), (8, 8104426), (11, 5894128), (16, 4052213), (22, 2947064), (44, 1473532), (88, 736766), (176, 368383), (389, 166672), (778, 83336), (947, 68464), (1556, 41668), (1894, 34232), (3112, 20834), (3788, 17116), (4279, 15152), (6224, 10417), (7576, 8558)]