81723774

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 185131008

約数和(自身を除く): 103407234

約数列:

[1, 2, 3, 6, 11, 22, 33, 53, 61, 66, 106, 122, 159, 183, 318, 366, 383, 583, 671, 766, 1149, 1166, 1342, 1749, 2013, 2298, 3233, 3498, 4026, 4213, 6466, 8426, 9699, 12639, 19398, 20299, 23363, 25278, 35563, 40598, 46726, 60897, 70089, 71126, 106689, 121794, 140178, 213378, 223289, 256993, 446578, 513986, 669867, 770979, 1238239, 1339734, 1541958, 2476478, 3714717, 7429434, 13620629, 27241258, 40861887, 81723774]

約数ペア:

[(1, 81723774), (2, 40861887), (3, 27241258), (6, 13620629), (11, 7429434), (22, 3714717), (33, 2476478), (53, 1541958), (61, 1339734), (66, 1238239), (106, 770979), (122, 669867), (159, 513986), (183, 446578), (318, 256993), (366, 223289), (383, 213378), (583, 140178), (671, 121794), (766, 106689), (1149, 71126), (1166, 70089), (1342, 60897), (1749, 46726), (2013, 40598), (2298, 35563), (3233, 25278), (3498, 23363), (4026, 20299), (4213, 19398), (6466, 12639), (8426, 9699)]