261972256

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89963}}^1$

素因数の和:89993

約数の個数: 48

約数和(自身を含む): 634785984

約数和(自身を除く): 372813728

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 89963, 179926, 359852, 629741, 719704, 1169519, 1259482, 1439408, 2339038, 2518964, 2878816, 4678076, 5037928, 8186633, 9356152, 10075856, 16373266, 18712304, 20151712, 32746532, 37424608, 65493064, 130986128, 261972256]

約数ペア:

[(1, 261972256), (2, 130986128), (4, 65493064), (7, 37424608), (8, 32746532), (13, 20151712), (14, 18712304), (16, 16373266), (26, 10075856), (28, 9356152), (32, 8186633), (52, 5037928), (56, 4678076), (91, 2878816), (104, 2518964), (112, 2339038), (182, 1439408), (208, 1259482), (224, 1169519), (364, 719704), (416, 629741), (728, 359852), (1456, 179926), (2912, 89963)]