261221664

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{247369}}^1$

素因数の和:247393

約数の個数: 48

約数和(自身を含む): 748046880

約数和(自身を除く): 486825216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 247369, 494738, 742107, 989476, 1484214, 1978952, 2721059, 2968428, 3957904, 5442118, 5936856, 7915808, 8163177, 10884236, 11873712, 16326354, 21768472, 23747424, 32652708, 43536944, 65305416, 87073888, 130610832, 261221664]

約数ペア:

[(1, 261221664), (2, 130610832), (3, 87073888), (4, 65305416), (6, 43536944), (8, 32652708), (11, 23747424), (12, 21768472), (16, 16326354), (22, 11873712), (24, 10884236), (32, 8163177), (33, 7915808), (44, 5936856), (48, 5442118), (66, 3957904), (88, 2968428), (96, 2721059), (132, 1978952), (176, 1484214), (264, 989476), (352, 742107), (528, 494738), (1056, 247369)]