128417828

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 292454400

約数和(自身を除く): 164036572

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 67, 77, 98, 127, 134, 154, 196, 254, 268, 308, 343, 469, 508, 539, 686, 737, 889, 938, 1078, 1372, 1397, 1474, 1778, 1876, 2156, 2794, 2948, 3283, 3556, 3773, 5159, 5588, 6223, 6566, 7546, 8509, 9779, 10318, 12446, 13132, 15092, 17018, 19558, 20636, 22981, 24892, 34036, 36113, 39116, 43561, 45962, 59563, 68453, 72226, 87122, 91924, 93599, 119126, 136906, 144452, 174244, 187198, 238252, 252791, 273812, 374396, 416941, 479171, 505582, 655193, 833882, 958342, 1011164, 1310386, 1667764, 1916684, 2620772, 2918587, 4586351, 5837174, 9172702, 11674348, 18345404, 32104457, 64208914, 128417828]

約数ペア:

[(1, 128417828), (2, 64208914), (4, 32104457), (7, 18345404), (11, 11674348), (14, 9172702), (22, 5837174), (28, 4586351), (44, 2918587), (49, 2620772), (67, 1916684), (77, 1667764), (98, 1310386), (127, 1011164), (134, 958342), (154, 833882), (196, 655193), (254, 505582), (268, 479171), (308, 416941), (343, 374396), (469, 273812), (508, 252791), (539, 238252), (686, 187198), (737, 174244), (889, 144452), (938, 136906), (1078, 119126), (1372, 93599), (1397, 91924), (1474, 87122), (1778, 72226), (1876, 68453), (2156, 59563), (2794, 45962), (2948, 43561), (3283, 39116), (3556, 36113), (3773, 34036), (5159, 24892), (5588, 22981), (6223, 20636), (6566, 19558), (7546, 17018), (8509, 15092), (9779, 13132), (10318, 12446)]