67721390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{809}}^1$

素因数の和:1588

約数の個数: 32

約数和(自身を含む): 133319520

約数和(自身を除く): 65598130

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 761, 809, 1522, 1618, 3805, 4045, 7610, 8090, 8371, 8899, 16742, 17798, 41855, 44495, 83710, 88990, 615649, 1231298, 3078245, 6156490, 6772139, 13544278, 33860695, 67721390]

約数ペア:

[(1, 67721390), (2, 33860695), (5, 13544278), (10, 6772139), (11, 6156490), (22, 3078245), (55, 1231298), (110, 615649), (761, 88990), (809, 83710), (1522, 44495), (1618, 41855), (3805, 17798), (4045, 16742), (7610, 8899), (8090, 8371)]