123899168

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 251919360

約数和(自身を除く): 128020192

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 127, 172, 254, 344, 508, 688, 709, 1016, 1376, 1418, 2032, 2836, 4064, 5461, 5672, 10922, 11344, 21844, 22688, 30487, 43688, 60974, 87376, 90043, 121948, 174752, 180086, 243896, 360172, 487792, 720344, 975584, 1440688, 2881376, 3871849, 7743698, 15487396, 30974792, 61949584, 123899168]

約数ペア:

[(1, 123899168), (2, 61949584), (4, 30974792), (8, 15487396), (16, 7743698), (32, 3871849), (43, 2881376), (86, 1440688), (127, 975584), (172, 720344), (254, 487792), (344, 360172), (508, 243896), (688, 180086), (709, 174752), (1016, 121948), (1376, 90043), (1418, 87376), (2032, 60974), (2836, 43688), (4064, 30487), (5461, 22688), (5672, 21844), (10922, 11344)]