647044216

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{9767}}^1$

素因数の和:9813

約数の個数: 72

約数和(自身を含む): 1528350120

約数和(自身を除く): 881305904

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 338, 364, 392, 637, 676, 728, 1183, 1274, 1352, 2366, 2548, 4732, 5096, 8281, 9464, 9767, 16562, 19534, 33124, 39068, 66248, 68369, 78136, 126971, 136738, 253942, 273476, 478583, 507884, 546952, 888797, 957166, 1015768, 1650623, 1777594, 1914332, 3301246, 3555188, 3828664, 6221579, 6602492, 7110376, 11554361, 12443158, 13204984, 23108722, 24886316, 46217444, 49772632, 80880527, 92434888, 161761054, 323522108, 647044216]

約数ペア:

[(1, 647044216), (2, 323522108), (4, 161761054), (7, 92434888), (8, 80880527), (13, 49772632), (14, 46217444), (26, 24886316), (28, 23108722), (49, 13204984), (52, 12443158), (56, 11554361), (91, 7110376), (98, 6602492), (104, 6221579), (169, 3828664), (182, 3555188), (196, 3301246), (338, 1914332), (364, 1777594), (392, 1650623), (637, 1015768), (676, 957166), (728, 888797), (1183, 546952), (1274, 507884), (1352, 478583), (2366, 273476), (2548, 253942), (4732, 136738), (5096, 126971), (8281, 78136), (9464, 68369), (9767, 66248), (16562, 39068), (19534, 33124)]