291222328

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{521}}^1\times {\mathrm{653}}^1$

素因数の和:1287

約数の個数: 32

約数和(自身を含む): 553048560

約数和(自身を除く): 261826232

約数列:

[1, 2, 4, 8, 107, 214, 428, 521, 653, 856, 1042, 1306, 2084, 2612, 4168, 5224, 55747, 69871, 111494, 139742, 222988, 279484, 340213, 445976, 558968, 680426, 1360852, 2721704, 36402791, 72805582, 145611164, 291222328]

約数ペア:

[(1, 291222328), (2, 145611164), (4, 72805582), (8, 36402791), (107, 2721704), (214, 1360852), (428, 680426), (521, 558968), (653, 445976), (856, 340213), (1042, 279484), (1306, 222988), (2084, 139742), (2612, 111494), (4168, 69871), (5224, 55747)]