72721168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1117}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 152356568

約数和(自身を除く): 79635400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 313, 626, 1117, 1252, 2234, 2504, 4069, 4468, 5008, 8138, 8936, 14521, 16276, 17872, 29042, 32552, 58084, 65104, 116168, 232336, 349621, 699242, 1398484, 2796968, 4545073, 5593936, 9090146, 18180292, 36360584, 72721168]

約数ペア:

[(1, 72721168), (2, 36360584), (4, 18180292), (8, 9090146), (13, 5593936), (16, 4545073), (26, 2796968), (52, 1398484), (104, 699242), (208, 349621), (313, 232336), (626, 116168), (1117, 65104), (1252, 58084), (2234, 32552), (2504, 29042), (4069, 17872), (4468, 16276), (5008, 14521), (8138, 8936)]