664754972

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 1385685504

約数和(自身を除く): 720930532

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 223, 227, 268, 446, 454, 469, 892, 908, 938, 1561, 1589, 1876, 3122, 3178, 3283, 6244, 6356, 6566, 10927, 11123, 13132, 14941, 15209, 21854, 22246, 29882, 30418, 43708, 44492, 50621, 59764, 60836, 101242, 104587, 106463, 202484, 209174, 212926, 354347, 418348, 425852, 708694, 732109, 745241, 1417388, 1464218, 1490482, 2480429, 2928436, 2980964, 3391607, 4960858, 6783214, 9921716, 13566428, 23741249, 47482498, 94964996, 166188743, 332377486, 664754972]

約数ペア:

[(1, 664754972), (2, 332377486), (4, 166188743), (7, 94964996), (14, 47482498), (28, 23741249), (49, 13566428), (67, 9921716), (98, 6783214), (134, 4960858), (196, 3391607), (223, 2980964), (227, 2928436), (268, 2480429), (446, 1490482), (454, 1464218), (469, 1417388), (892, 745241), (908, 732109), (938, 708694), (1561, 425852), (1589, 418348), (1876, 354347), (3122, 212926), (3178, 209174), (3283, 202484), (6244, 106463), (6356, 104587), (6566, 101242), (10927, 60836), (11123, 59764), (13132, 50621), (14941, 44492), (15209, 43708), (21854, 30418), (22246, 29882)]