81914648

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{593}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 159096960

約数和(自身を除く): 77182312

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 557, 593, 1114, 1186, 2228, 2372, 4456, 4744, 17267, 18383, 34534, 36766, 69068, 73532, 138136, 147064, 330301, 660602, 1321204, 2642408, 10239331, 20478662, 40957324, 81914648]

約数ペア:

[(1, 81914648), (2, 40957324), (4, 20478662), (8, 10239331), (31, 2642408), (62, 1321204), (124, 660602), (248, 330301), (557, 147064), (593, 138136), (1114, 73532), (1186, 69068), (2228, 36766), (2372, 34534), (4456, 18383), (4744, 17267)]