728648648

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43517}}^1$

素因数の和:43566

約数の個数: 64

約数和(自身を含む): 1754645760

約数和(自身を除く): 1025997112

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1196, 1288, 2093, 2392, 4186, 8372, 16744, 43517, 87034, 174068, 304619, 348136, 565721, 609238, 1000891, 1131442, 1218476, 2001782, 2262884, 2436952, 3960047, 4003564, 4525768, 7006237, 7920094, 8007128, 13011583, 14012474, 15840188, 26023166, 28024948, 31680376, 52046332, 56049896, 91081081, 104092664, 182162162, 364324324, 728648648]

約数ペア:

[(1, 728648648), (2, 364324324), (4, 182162162), (7, 104092664), (8, 91081081), (13, 56049896), (14, 52046332), (23, 31680376), (26, 28024948), (28, 26023166), (46, 15840188), (52, 14012474), (56, 13011583), (91, 8007128), (92, 7920094), (104, 7006237), (161, 4525768), (182, 4003564), (184, 3960047), (299, 2436952), (322, 2262884), (364, 2001782), (598, 1218476), (644, 1131442), (728, 1000891), (1196, 609238), (1288, 565721), (2093, 348136), (2392, 304619), (4186, 174068), (8372, 87034), (16744, 43517)]