638372808

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{145349}}^1$

素因数の和:145422

約数の個数: 48

約数和(自身を含む): 1757281500

約数和(自身を除く): 1118908692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 145349, 290698, 436047, 581396, 872094, 1162792, 1308141, 1744188, 2616282, 3488376, 5232564, 8866289, 10465128, 17732578, 26598867, 35465156, 53197734, 70930312, 79796601, 106395468, 159593202, 212790936, 319186404, 638372808]

約数ペア:

[(1, 638372808), (2, 319186404), (3, 212790936), (4, 159593202), (6, 106395468), (8, 79796601), (9, 70930312), (12, 53197734), (18, 35465156), (24, 26598867), (36, 17732578), (61, 10465128), (72, 8866289), (122, 5232564), (183, 3488376), (244, 2616282), (366, 1744188), (488, 1308141), (549, 1162792), (732, 872094), (1098, 581396), (1464, 436047), (2196, 290698), (4392, 145349)]