647495964

素因数分解:

$2^2\times 3^3\times {\mathrm{271}}^1\times {\mathrm{22123}}^1$

素因数の和:22407

約数の個数: 48

約数和(自身を含む): 1684963840

約数和(自身を除く): 1037467876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 271, 542, 813, 1084, 1626, 2439, 3252, 4878, 7317, 9756, 14634, 22123, 29268, 44246, 66369, 88492, 132738, 199107, 265476, 398214, 597321, 796428, 1194642, 2389284, 5995333, 11990666, 17985999, 23981332, 35971998, 53957997, 71943996, 107915994, 161873991, 215831988, 323747982, 647495964]

約数ペア:

[(1, 647495964), (2, 323747982), (3, 215831988), (4, 161873991), (6, 107915994), (9, 71943996), (12, 53957997), (18, 35971998), (27, 23981332), (36, 17985999), (54, 11990666), (108, 5995333), (271, 2389284), (542, 1194642), (813, 796428), (1084, 597321), (1626, 398214), (2439, 265476), (3252, 199107), (4878, 132738), (7317, 88492), (9756, 66369), (14634, 44246), (22123, 29268)]