205510612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 399772800

約数和(自身を除く): 194262188

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 89, 92, 178, 356, 437, 874, 1321, 1691, 1748, 2047, 2642, 3382, 4094, 5284, 6764, 8188, 25099, 30383, 38893, 50198, 60766, 77786, 100396, 117569, 121532, 155572, 235138, 470276, 577277, 1154554, 2233811, 2309108, 2704087, 4467622, 5408174, 8935244, 10816348, 51377653, 102755306, 205510612]

約数ペア:

[(1, 205510612), (2, 102755306), (4, 51377653), (19, 10816348), (23, 8935244), (38, 5408174), (46, 4467622), (76, 2704087), (89, 2309108), (92, 2233811), (178, 1154554), (356, 577277), (437, 470276), (874, 235138), (1321, 155572), (1691, 121532), (1748, 117569), (2047, 100396), (2642, 77786), (3382, 60766), (4094, 50198), (5284, 38893), (6764, 30383), (8188, 25099)]