72721688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{1039}}^1$

素因数の和:1731

約数の個数: 32

約数和(自身を含む): 147201600

約数和(自身を除く): 74479912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 673, 1039, 1346, 2078, 2692, 4156, 5384, 8312, 8749, 13507, 17498, 27014, 34996, 54028, 69992, 108056, 699247, 1398494, 2796988, 5593976, 9090211, 18180422, 36360844, 72721688]

約数ペア:

[(1, 72721688), (2, 36360844), (4, 18180422), (8, 9090211), (13, 5593976), (26, 2796988), (52, 1398494), (104, 699247), (673, 108056), (1039, 69992), (1346, 54028), (2078, 34996), (2692, 27014), (4156, 17498), (5384, 13507), (8312, 8749)]