221645904

素因数分解:

$2^4\times 3^1\times {\mathrm{521}}^1\times {\mathrm{8863}}^1$

素因数の和:9395

約数の個数: 40

約数和(自身を含む): 573748992

約数和(自身を除く): 352103088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 521, 1042, 1563, 2084, 3126, 4168, 6252, 8336, 8863, 12504, 17726, 25008, 26589, 35452, 53178, 70904, 106356, 141808, 212712, 425424, 4617623, 9235246, 13852869, 18470492, 27705738, 36940984, 55411476, 73881968, 110822952, 221645904]

約数ペア:

[(1, 221645904), (2, 110822952), (3, 73881968), (4, 55411476), (6, 36940984), (8, 27705738), (12, 18470492), (16, 13852869), (24, 9235246), (48, 4617623), (521, 425424), (1042, 212712), (1563, 141808), (2084, 106356), (3126, 70904), (4168, 53178), (6252, 35452), (8336, 26589), (8863, 25008), (12504, 17726)]