65291716

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 139324416

約数和(自身を除く): 74032700

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 61, 86, 98, 122, 127, 172, 196, 244, 254, 301, 427, 508, 602, 854, 889, 1204, 1708, 1778, 2107, 2623, 2989, 3556, 4214, 5246, 5461, 5978, 6223, 7747, 8428, 10492, 10922, 11956, 12446, 15494, 18361, 21844, 24892, 30988, 36722, 38227, 54229, 73444, 76454, 108458, 128527, 152908, 216916, 257054, 267589, 333121, 379603, 514108, 535178, 666242, 759206, 1070356, 1332484, 1518412, 2331847, 4663694, 9327388, 16322929, 32645858, 65291716]

約数ペア:

[(1, 65291716), (2, 32645858), (4, 16322929), (7, 9327388), (14, 4663694), (28, 2331847), (43, 1518412), (49, 1332484), (61, 1070356), (86, 759206), (98, 666242), (122, 535178), (127, 514108), (172, 379603), (196, 333121), (244, 267589), (254, 257054), (301, 216916), (427, 152908), (508, 128527), (602, 108458), (854, 76454), (889, 73444), (1204, 54229), (1708, 38227), (1778, 36722), (2107, 30988), (2623, 24892), (2989, 21844), (3556, 18361), (4214, 15494), (5246, 12446), (5461, 11956), (5978, 10922), (6223, 10492), (7747, 8428)]