138897506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{877}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 238197888

約数和(自身を除く): 99300382

約数列:

[1, 2, 11, 22, 23, 46, 253, 313, 506, 626, 877, 1754, 3443, 6886, 7199, 9647, 14398, 19294, 20171, 40342, 79189, 158378, 221881, 274501, 443762, 549002, 3019511, 6039022, 6313523, 12627046, 69448753, 138897506]

約数ペア:

[(1, 138897506), (2, 69448753), (11, 12627046), (22, 6313523), (23, 6039022), (46, 3019511), (253, 549002), (313, 443762), (506, 274501), (626, 221881), (877, 158378), (1754, 79189), (3443, 40342), (6886, 20171), (7199, 19294), (9647, 14398)]