128045764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{947}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 280304640

約数和(自身を除く): 152258876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 439, 878, 947, 1756, 1894, 3073, 3788, 4829, 6146, 6629, 9658, 10417, 12292, 13258, 19316, 20834, 26516, 33803, 41668, 67606, 72919, 135212, 145838, 291676, 415733, 831466, 1662932, 2910131, 4573063, 5820262, 9146126, 11640524, 18292252, 32011441, 64022882, 128045764]

約数ペア:

[(1, 128045764), (2, 64022882), (4, 32011441), (7, 18292252), (11, 11640524), (14, 9146126), (22, 5820262), (28, 4573063), (44, 2910131), (77, 1662932), (154, 831466), (308, 415733), (439, 291676), (878, 145838), (947, 135212), (1756, 72919), (1894, 67606), (3073, 41668), (3788, 33803), (4829, 26516), (6146, 20834), (6629, 19316), (9658, 13258), (10417, 12292)]