161720776

素因数分解:

$2^3\times 7^2\times {\mathrm{163}}^1\times {\mathrm{2531}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 355037040

約数和(自身を除く): 193316264

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 163, 196, 326, 392, 652, 1141, 1304, 2282, 2531, 4564, 5062, 7987, 9128, 10124, 15974, 17717, 20248, 31948, 35434, 63896, 70868, 124019, 141736, 248038, 412553, 496076, 825106, 992152, 1650212, 2887871, 3300424, 5775742, 11551484, 20215097, 23102968, 40430194, 80860388, 161720776]

約数ペア:

[(1, 161720776), (2, 80860388), (4, 40430194), (7, 23102968), (8, 20215097), (14, 11551484), (28, 5775742), (49, 3300424), (56, 2887871), (98, 1650212), (163, 992152), (196, 825106), (326, 496076), (392, 412553), (652, 248038), (1141, 141736), (1304, 124019), (2282, 70868), (2531, 63896), (4564, 35434), (5062, 31948), (7987, 20248), (9128, 17717), (10124, 15974)]