1640456216

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{153371}}^1$

素因数の和:153575

約数の個数: 32

約数和(自身を含む): 3533690880

約数和(自身を除く): 1893234664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 10696, 153371, 306742, 613484, 1073597, 1226968, 2147194, 4294388, 8588776, 29293861, 58587722, 117175444, 205057027, 234350888, 410114054, 820228108, 1640456216]

約数ペア:

[(1, 1640456216), (2, 820228108), (4, 410114054), (7, 234350888), (8, 205057027), (14, 117175444), (28, 58587722), (56, 29293861), (191, 8588776), (382, 4294388), (764, 2147194), (1337, 1226968), (1528, 1073597), (2674, 613484), (5348, 306742), (10696, 153371)]